Proprietà:Assigned to

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Assegnatario del brevetto, da indicare con la ragione sociale dello stesso (nome della persona o della ditta). Usare il valore del campo Applicant dell'EPO o del campo Assignee dell'USTPO.

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Showing 500 pages using this property.
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Patent-US-1669036.pdf +
The Parker Pen Company  +
Patent-US-1669040.pdf +
The Parker Pen Company  +
Patent-US-1669714.pdf +
Carter's Ink Company  +
Patent-US-1671125.pdf +
Pollock Pen Company  +
Patent-US-1673579.pdf +
Louis Morrison  +
Patent-US-1674259.pdf +
The Parker Pen Company  +
Patent-US-1674260.pdf +
The Parker Pen Company  +
Patent-US-1674261.pdf +
The Parker Pen Company  +
Patent-US-1675543.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1675826.pdf +
Walter A. Sheaffer  +
Patent-US-1681954.pdf +
The Sager Pen Corporation  +
Patent-US-1694945.pdf +
Keeran Products Company  +
Patent-US-1696183.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1696218.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1702954.pdf +
Benjamin J. Title  +
Patent-US-1704470.pdf +
Corona Pen Company Inc.  +
Patent-US-1705656.pdf +
Pen Desk Set Company  +
Patent-US-1706616.pdf +
Theodor Kovacs  +
Patent-US-1706662.pdf +
Pen Desk Set Company  +
Patent-US-1706751.pdf +
George A. Risk, Abraham Schlosser  +
Patent-US-1706923.pdf +
William A. Hartline  +
Patent-US-1708671.pdf +
Signature Company  +
Patent-US-1712304.pdf +
Brown & Bigelow  +
Patent-US-1712850.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1714418.pdf +
Fabbrica Italiana di Penne a Serbatoio "Aurora"  +
Patent-US-1717001.pdf +
Walter F. Benson  +
Patent-US-1719895.pdf +
Clinton E. Marshall  +
Patent-US-1720471.pdf +
Rockel Alexander Fritsch  +
Patent-US-1720717.pdf +
The Parker Pen Company  +
Patent-US-1723171.pdf +
William A. Houston, Dillman Charles Houston  +
Patent-US-1724106.pdf +
Pollock Pen Company  +
Patent-US-1724107.pdf +
Pollock Pen Company  +
Patent-US-1733780.pdf +
Autopoint Company  +
Patent-US-1735199.pdf +
The Wahl Company  +
Patent-US-1735224.pdf +
The Wahl Company  +
Patent-US-1737463.pdf +
Isaia Levi  +
Patent-US-1737948.pdf +
Ignatz Salz  +
Patent-US-1741368.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1742711.pdf +
William T. Maloney, Arthur Winter  +
Patent-US-1745483.pdf +
The Wahl Company  +
Patent-US-1746065.pdf +
Franklin A. Van Sant  +
Patent-US-1749037.pdf +
Carter's Ink Company  +
Patent-US-174965.pdf +
Duncan Mackinnon  +
Patent-US-1750410.pdf +
Theodor Kovacs  +
Patent-US-1755586.pdf +
Chilton Pen Company  +
Patent-US-1758199.pdf +
Mabie, Todd & Co.  +
Patent-US-1762103.pdf +
L. E. Waterman Company  +
Patent-US-1762104.pdf +
L. E. Waterman Company  +
Patent-US-1767189.pdf +
Gustav J. Sengbusch  +
Patent-US-1772000.pdf +
The Parker Pen Company  +
Patent-US-1772608.pdf +
Brown & Bigelow  +
Patent-US-1773475.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1775068.pdf +
Fabbrica Italiana di Penne a Serbatoio "Aurora"  +
Patent-US-1776384.pdf +
Tripen Manufacturing Company  +
Patent-US-1777736.pdf +
James Salz  +
Patent-US-1779836.pdf +
The Wahl Company  +
Patent-US-1780527.pdf +
New Diamond Point Company  +
Patent-US-1782108.pdf +
Pen Desk Set Company  +
Patent-US-1782109.pdf +
Pen Desk Set Company  +
Patent-US-1782597.pdf +
The Parker Pen Company  +
Patent-US-1783630.pdf +
Pen Desk Set Company  +
Patent-US-1783681.pdf +
Owen R. Terry  +
Patent-US-1783734.pdf +
Clinton E. Marshall  +
Patent-US-1784078.pdf +
Armando Simoni  +
Patent-US-1787406.pdf +
The Wahl Company  +
Patent-US-1789522.pdf +
Leopold Kutter  +
Patent-US-1790037.pdf +
Davide Dante Zerollo  +
Patent-US-1791776.pdf +
The Wahl Company  +
Patent-US-1793610.pdf +
The Parker Pen Company  +
Patent-US-1793824.pdf +
The Parker Pen Company  +
Patent-US-1793910.pdf +
Pen Desk Set Company  +
Patent-US-1794154.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1794939.pdf +
Alvin M. Yocom  +
Patent-US-1798046.pdf +
The Mentmore Manufacturing Company Limited  +
Patent-US-1800330.pdf +
The Wahl Company  +
Patent-US-1800425.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-1801310.pdf +
Pen Desk Set Company  +
Patent-US-1801635.pdf +
The Parker Pen Company  +
Patent-US-1804522.pdf +
LeBoeuf Fountain Pen Co.  +
Patent-US-180715.pdf +
John A. Holland  +
Patent-US-1807227.pdf +
Pen Desk Set Company  +
Patent-US-1807415.pdf +
David J. La France  +
Patent-US-1808045.pdf +
Henry Krause  +
Patent-US-1808779.pdf +
L. E. Waterman Company  +
Patent-US-1809416.pdf +
John G. Liddel  +
Patent-US-1809985.pdf +
Mabie, Todd & Co.  +
Patent-US-1809992.pdf +
Oscar J. Sundstrand  +
Patent-US-1811874.pdf +
Chilton Pen Company  +
Patent-US-1811992.pdf +
Benjamin R. Bell  +
Patent-US-1812536.pdf +
Theodor Kovacs  +
Patent-US-1813271.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1814085.pdf +
Pen Desk Set Company  +
Patent-US-1816057.pdf +
Salomon M. Sager  +
Patent-US-1818216.pdf +
Oscar Federbusch, Maurice H. Claster, Louis Claster  +
Patent-US-1818743.pdf +
The Parker Pen Company  +
Patent-US-1819383.pdf +
The Parker Pen Company  +
Patent-US-1821477.pdf +
The Parker Pen Company  +
Patent-US-1822166.pdf +
Mabie, Todd & Co.  +
Patent-US-1822167.pdf +
Mabie, Todd & Co.  +
Patent-US-1822168.pdf +
Mabie, Todd & Co.  +
Patent-US-1824012.pdf +
Harry Esterow  +
Patent-US-1824249.pdf +
Joseph Wallace  +
Patent-US-1825014.pdf +
Stanley E. Peters  +
Patent-US-1825090.pdf +
Marion O. Reis, Selma T. McCorney  +
Patent-US-1825931.pdf +
The Wahl Company  +
Patent-US-1826246.pdf +
Simplo Füllfeder Gesellshaft Voss, Lausen & Dziabor  +
Patent-US-1828018.pdf +
The Conklin Pen Company  +
Patent-US-1828019.pdf +
The Conklin Pen Company  +
Patent-US-1832170.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1833244.pdf +
Simplo Füllfeder Gesellshaft Voss, Lausen & Dziabor  +
Patent-US-1840110.pdf +
The Chilton Pen Company  +
Patent-US-1842503.pdf +
L. E. Waterman Company  +
Patent-US-1842677.pdf +
Theodor Kovacs  +
Patent-US-1845293.pdf +
Carter's Ink Company  +
Patent-US-1846604.pdf +
William T. Maloney  +
Patent-US-1848283.pdf +
Joseph Wallace  +
Patent-US-1851257.pdf +
Eugene Le Boeuf  +
Patent-US-1852094.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1853316.pdf +
L. E. Waterman Company  +
Patent-US-1853731.pdf +
The Firm Gunther Wagner  +
Patent-US-1853876.pdf +
The Parker Pen Company  +
Patent-US-1854747.pdf +
Carter's Ink Company  +
Patent-US-1860093.pdf +
The Parker Pen Company  +
Patent-US-1860853.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1862586.pdf +
T. B. Ford Limited  +
Patent-US-1863016.pdf +
Henry Krause  +
Patent-US-1863061.pdf +
L. E. Waterman Company  +
Patent-US-1867801.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1867932.pdf +
The Wahl Company  +
Patent-US-1868257.pdf +
Salomon M. Sager  +
Patent-US-1869950.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1872064.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1872151.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1876151.pdf +
Salomon M. Sager  +
Patent-US-1876152.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1876197.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1876298.pdf +
John A. Holland  +
Patent-US-1876698.pdf +
L. E. Waterman Company  +
Patent-US-1882644.pdf +
L. E. Waterman Company  +
Patent-US-1882780.pdf +
Arthur O. Dahlberg  +
Patent-US-1883160.pdf +
Chilton Pen Company  +
Patent-US-1885862.pdf +
Salomon M. Sager  +
Patent-US-1886307.pdf +
Salomon M. Sager  +
Patent-US-1890100.pdf +
Ada Joel Spiro  +
Patent-US-1892145.pdf +
The Parker Pen Company  +
Patent-US-1892181.pdf +
The Parker Pen Company  +
Patent-US-1892369.pdf +
Giuseppe Tibaldi  +
Patent-US-1892499.pdf +
Pen Desk Set Company  +
Patent-US-1892509.pdf +
Pen Desk Set Company  +
Patent-US-1892523.pdf +
Pen Desk Set Company  +
Patent-US-1892524.pdf +
Pen Desk Set Company  +
Patent-US-189304.pdf +
Alonzo T. Cross  +
Patent-US-1893130.pdf +
Mirko Chelazzi, Dino Frulli  +
Patent-US-1893534.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1895736.pdf +
Julius L. Schnell  +
Patent-US-1898342.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1900669.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1902091.pdf +
L. E. Waterman Company  +
Patent-US-1902208.pdf +
Pen Desk Set Company  +
Patent-US-1902573.pdf +
Samuel A. Neidich  +
Patent-US-1902633.pdf +
William J. Foley  +
Patent-US-1902782.pdf +
Theodor Kovacs  +
Patent-US-1902809.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1902810.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1902811.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1903022.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1904212.pdf +
Harry Esterow  +
Patent-US-1904358.pdf +
Arthur O. Dahlberg  +
Patent-US-1905920.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1907626.pdf +
Joseph Wallace  +
Patent-US-1908123.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1908384.pdf +
T. B. Ford Limited  +
Patent-US-1909194.pdf +
Joseph Wallace  +
Patent-US-1909795.pdf +
Celluloid Corporation  +
Patent-US-1910907.pdf +
Abraham Schlosser  +
Patent-US-1912774.pdf +
Camel Pen Company  +
Patent-US-1915338.pdf +
Gustav J. Sengbusch  +
Patent-US-1916199.pdf +
The Wahl Company  +
Patent-US-1916808.pdf +
The Parker Pen Company  +
Patent-US-1917185.pdf +
Chilton Pen Company  +
Patent-US-1917423.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1917568.pdf +
The Parker Pen Company  +
Patent-US-1918239.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-1918404.pdf +
Theodor Kovacs  +
Patent-US-1920409.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1920770.pdf +
The Parker Pen Company  +
Patent-US-1923269.pdf +
L. E. Waterman Company  +
Patent-US-1923734.pdf +
Chilton Pen Company  +
Patent-US-1926405.pdf +
Henry H. Polk Jr.  +
Patent-US-1926852.pdf +
Eagle Pencil Company  +
Patent-US-1931138.pdf +
William A. Staff  +
Patent-US-1932248.pdf +
The Parker Pen Company  +
Patent-US-1932765.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1935010.pdf +
L. E. Waterman Company  +
Patent-US-1935011.pdf +
L. E. Waterman Company  +
Patent-US-1937107.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1939199.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1939753.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-1940223.pdf +
Lucifer J. Most  +
Patent-US-194158.pdf +
George W. Mabie  +
Patent-US-1943048.pdf +
Joseph Wallace  +
Patent-US-1944927.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1947092.pdf +
Russel B. Kingman  +
Patent-US-1950364.pdf +
The Parker Pen Company  +
Patent-US-1954952.pdf +
Mabie, Todd & Company Limited  +
Patent-US-1956084.pdf +
The Parker Pen Company  +
Patent-US-1957677.pdf +
L. E. Waterman Company  +
Patent-US-1959959.pdf +
Gunther Wagner  +
Patent-US-19613.pdf +
David C. Field  +
Patent-US-1963261.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1964125.pdf +
Leopold Kutter  +
Patent-US-1964821.pdf +
Russel B. Kingman  +
Patent-US-1965626.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-1966369.pdf +
David Kahn Inc  +
Patent-US-1967580.pdf +
L. E. Waterman Company  +
Patent-US-1968567.pdf +
Herbert L. Carman  +
Patent-US-1972395.pdf +
The Parker Pen Company  +
Patent-US-1975775.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-1977527.pdf +
Herman Pohle  +
Patent-US-1978675.pdf +
Russel B. Kingman  +
Patent-US-1978676.pdf +
Russel B. Kingman  +
Patent-US-1980159.pdf +
The Wahl Company  +
Patent-US-1980508.pdf +
The Parker Pen Company  +
Patent-US-1983682.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-1985643.pdf +
The Parker Pen Company  +
Patent-US-1986372.pdf +
John C. Sherman  +
Patent-US-1988878.pdf +
Emanuel J. Sonn  +
Patent-US-1989220.pdf +
Norman E. Weigel  +
Patent-US-1989351.pdf +
The Parker Pen Company  +
Patent-US-1989990.pdf +
The Wahl Company  +
Patent-US-1990441.pdf +
The Wahl Company  +
Patent-US-199621.pdf +
Alonzo T. Cross  +
Patent-US-1998930.pdf +
Russel B. Kingman  +
Patent-US-1999177.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-1999966.pdf +
José Andrés y Hernandez  +
Patent-US-2002092.pdf +
L. E. Waterman Company  +
Patent-US-2003479.pdf +
Herbert L. Carman  +
Patent-US-2004641.pdf +
Roger Blomley Watson  +
Patent-US-2007576.pdf +
Charles K. Lovejoy  +
Patent-US-2009182.pdf +
David Kahn Inc  +
Patent-US-2011040.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2011222.pdf +
Russel B. Kingman  +
Patent-US-2011516.pdf +
Hugo A. Funk  +
Patent-US-2012722.pdf +
Henry Krause  +
Patent-US-2014150.pdf +
The Wahl Company  +
Patent-US-2016106.pdf +
Arthur O. Dahlberg  +
Patent-US-2017109.pdf +
Chilton Pen Company  +
Patent-US-2017110.pdf +
Chilton Pen Company  +
Patent-US-2019734.pdf +
Salomon M. Sager  +
Patent-US-2022416.pdf +
Eagle Pencil Company  +
Patent-US-2024229.pdf +
Russel B. Kingman  +
Patent-US-2025110.pdf +
Russel B. Kingman  +
Patent-US-202654.pdf +
John A. Holland  +
Patent-US-202655.pdf +
John A. Holland  +
Patent-US-2028855.pdf +
Arthur Winter  +
Patent-US-2030452.pdf +
Camel Pen Company  +
Patent-US-2031343.pdf +
The Parker Pen Company  +
Patent-US-2033164.pdf +
George S. Walter  +
Patent-US-2035225.pdf +
Harry Esterow  +
Patent-US-2035278.pdf +
Salomon M. Sager  +
Patent-US-2035372.pdf +
The Parker Pen Company  +
Patent-US-2035378.pdf +
The Parker Pen Company  +
Patent-US-2037177.pdf +
The Parker Pen Company  +
Patent-US-2037699.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2040999.pdf +
The Conklin Pen Manufacturing Company  +
Patent-US-2048127.pdf +
L. E. Waterman Company  +
Patent-US-2051337.pdf +
Andrew Stuart Horn  +
Patent-US-2056055.pdf +
Mabie, Todd & Company Limited  +
Patent-US-2059577.pdf +
Eagle Pencil Company  +
Patent-US-2061405.pdf +
Russel B. Kingman  +
Patent-US-206200.pdf +
William W. Stewart  +
Patent-US-2068419.pdf +
L. E. Waterman Company  +
Patent-US-2070461.pdf +
The Namiki Manufacturing Company Ltd  +
Patent-US-2072711.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2075725.pdf +
David Kahn Inc  +
Patent-US-2075828.pdf +
Archie D. Robinson  +
Patent-US-2076796.pdf +
The Conklin Pen Company, Celluloid Corporation  +
Patent-US-2076997.pdf +
William Livsey  +
Patent-US-2078083.pdf +
L. E. Waterman Company  +
Patent-US-2078433.pdf +
Arthur Winter  +
Patent-US-2080372.pdf +
Montblanc-Simplo G.m.b.H.  +
Patent-US-2081538.pdf +
Celluloid Corporation  +
Patent-US-2087672.pdf +
L. E. Waterman Company  +
Patent-US-2089449.pdf +
Chilton Pen Company  +
Patent-US-2091648.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2091649.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2092459.pdf +
Leopold Kutter, Roman Heller  +
Patent-US-2093701.pdf +
Jaroslav Zahel  +
Patent-US-2093919.pdf +
David Kahn Inc  +
Patent-US-2094796.pdf +
David Kahn Inc  +
Patent-US-2094797.pdf +
David Kahn Inc  +
Patent-US-2096044.pdf +
The Parker Pen Company  +
Patent-US-2096708.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2099126.pdf +
L. E. Waterman Company  +
Patent-US-2101304.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2102044.pdf +
Chilton Pen Company  +
Patent-US-2104638.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2104676.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2105049.pdf +
The Wahl Company  +
Patent-US-2105189.pdf +
Eagle Pencil Company  +
Patent-US-2105424.pdf +
David Kahn Inc  +
Patent-US-2107150.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2107162.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2108552.pdf +
Arthur W. Schoneberger  +
Patent-US-2110007.pdf +
The Parker Pen Company  +
Patent-US-2110551.pdf +
American Lead Pencil Company  +
Patent-US-2110558.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2110578.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2111518.pdf +
Joseph Aversa  +
Patent-US-2113633.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-211575.pdf +
John A. Holland  +
Patent-US-2118241.pdf +
Chilton Pen Company  +
Patent-US-2119796.pdf +
Salomon M. Sager  +
Patent-US-2120059.pdf +
The Wahl Company  +
Patent-US-2120652.pdf +
Julius L. Schnell  +
Patent-US-2123110.pdf +
The Mentmore Manufacturing Co. Limited  +
Patent-US-2123427.pdf +
Camel Pen Company  +
Patent-US-2124771.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2125957.pdf +
Sagren Corporation  +
Patent-US-2127043.pdf +
Metal & Controls Corporation  +
Patent-US-2129134.pdf +
The Mentmore Manufacturing Co. Limited  +
Patent-US-2129655.pdf +
William P. De Witt  +
Patent-US-2132313.pdf +
Ryosuke Namiki  +
Patent-US-2133617.pdf +
Eagle Pencil Company  +
Patent-US-2136290.pdf +
Kurt Fend  +
Patent-US-2139045.pdf +
Chilton Pen Company  +
Patent-US-2139084.pdf +
L. E. Waterman Company  +
Patent-US-2141988.pdf +
David Kahn Inc  +
Patent-US-2141989.pdf +
David Kahn Inc  +
Patent-US-2141990.pdf +
David Kahn Inc  +
Patent-US-2141991.pdf +
David Kahn Inc  +
Patent-US-2142531.pdf +
The Wahl Company  +
Patent-US-2142532.pdf +
The Wahl Company  +
Patent-US-2142533.pdf +
The Wahl Company  +
Patent-US-2143601.pdf +
Johannes Iversen  +
Patent-US-2144296.pdf +
Ryosuke Namiki  +
Patent-US-214795.pdf +
William W. Stewart  +
Patent-US-2148236.pdf +
Eagle Pencil Company  +
Patent-US-2148853.pdf +
Le Boeuf-Pilgrim Pen Co.  +
Patent-US-2149557.pdf +
John A. Snodgrass  +
Patent-US-2150065.pdf +
David Kahn Inc  +
Patent-US-2151548.pdf +
The Wahl Company  +
Patent-US-2152161.pdf +
Plastic Inlays Inc.  +
Patent-US-2152436.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2153488.pdf +
David Kahn Inc.  +
Patent-US-2154102.pdf +
Metal & Controls Corporation  +
Patent-US-2154103.pdf +
Metal & Controls Corporation  +
Patent-US-2156775.pdf +
David Kahn Inc  +
Patent-US-2158615.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2159002.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2159003.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2162223.pdf +
L. E. Waterman Company  +
Patent-US-2163515.pdf +
Kurt Fend  +
Patent-US-2167815.pdf +
Montblanc-Simplo G.m.b.H.  +
Patent-US-2170242.pdf +
Eagle Pencil Company  +
Patent-US-2176661.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2177466.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-217888.pdf +
Duncan Mackinnon  +
Patent-US-2179727.pdf +
Sengbusch Self-Closing Inkstand Company  +
Patent-US-2180560.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2186027.pdf +
David Kahn Inc  +
Patent-US-2186869.pdf +
David Kahn Inc  +
Patent-US-2186870.pdf +
David Kahn Inc  +
Patent-US-2187528.pdf +
Russel T. Wing  +
Patent-US-2188662.pdf +
David J. La France  +
Patent-US-2189696.pdf +
Mentmore Manufacturing Co Limited  +
Patent-US-2200042.pdf +
Jaque A. Salz  +
Patent-US-2203093.pdf +
David Kahn Inc  +
Patent-US-2208460.pdf +
David Kahn Inc  +
Patent-US-2213931.pdf +
The Turner & Harrison Steel Pen Manufacturing Company  +
Patent-US-2215630.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2216780.pdf +
The Esterbrook Steel Pen Manufacturing Co.  +
Patent-US-2217502.pdf +
Joseph Wallace  +
Patent-US-2217755.pdf +
L. E. Waterman Company  +
Patent-US-2218536.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2219769.pdf +
Robert S. Dorfman  +
Patent-US-2222599.pdf +
Leon Hehl Ashmore  +
Patent-US-2223541.pdf +
The Parker Pen Company  +
Patent-US-2224162.pdf +
Anthony G. Rosa  +
Patent-US-2225864.pdf +
Eagle Pencil Company  +
Patent-US-2228250.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-222959.pdf +
William W. Stewart  +
Patent-US-2229749.pdf +
Frank E. Little  +
Patent-US-2232231.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2233846.pdf +
Eldie E. Packard  +
Patent-US-2236720.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2237155.pdf +
Morris M. Malis  +
Patent-US-2239526.pdf +
American Lead Pencil Company  +
Patent-US-2241203.pdf +
American Lead Pencil Company  +
Patent-US-2241846.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2241850.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2241852.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2241865.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2249004.pdf +
David Kahn Inc  +
Patent-US-2249616.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2252907.pdf +
Arthur Winter  +
Patent-US-2254975.pdf +
The Parker Pen Company  +
Patent-US-2255093.pdf +
Eversharp Inc.  +
Patent-US-2258030.pdf +
America Crayon Company  +
Patent-US-2258841.pdf +
Luis Lang  +
Patent-US-2260571.pdf +
Glenn E. Johndohl  +
Patent-US-2263299.pdf +
Eagle Pencil Company  +
Patent-US-2267147.pdf +
The Parker Pen Company  +
Patent-US-2272674.pdf +
Otto J. Kehr  +
Patent-US-2274393.pdf +
Eversharp Inc.  +
Patent-US-2274470.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2278907.pdf +
The Parker Pen Company  +
Patent-US-2279803.pdf +
Aniceto R. Visitacion  +
Patent-US-2282840.pdf +
Russell T. Wing  +
Patent-US-2283333.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2286878.pdf +
The Parker Pen Company  +
Patent-US-2289963.pdf +
Eagle Pencil Company  +
Patent-US-2292381.pdf +
The Esterbrook Steel Pen Manfacturing Co.  +
Patent-US-2292683.pdf +
Autopoint Company  +
Patent-US-2293343.pdf +
Doyle P. Jacobs  +
Patent-US-2293621.pdf +
David Kahn Inc  +
Patent-US-2293622.pdf +
David Kahn Inc  +
Patent-US-2293623.pdf +
David Kahn Inc  +
Patent-US-2303373.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2303374.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2304832.pdf +
The Estrerbrook Pen Company  +
Patent-US-2305287.pdf +
Norman E. Weigel  +
Patent-US-2308658.pdf +
The Parker Pen Company  +
Patent-US-2308659.pdf +
The Parker Pen Company  +
Patent-US-2308810.pdf +
The Parker Pen Company  +
Patent-US-2312928.pdf +
David Kahn Inc  +
Patent-US-2314551.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2314562.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2314563.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2316478.pdf +
Norman E. Weigel  +
Patent-US-2316479.pdf +
Norman E. Weigel  +
Patent-US-2318950.pdf +
Chilton Pen Company  +
Patent-US-2318977.pdf +
Plastic Inlays Inc.  +
Patent-US-2319802.pdf +
Eversharp Inc.  +
Patent-US-2325069.pdf +
Eversharp Inc.  +
Patent-US-2325550.pdf +
Salomon M. Sager  +
Patent-US-2328116.pdf +
E. O. Weigel & sons  +
Patent-US-2328143.pdf +
Eagle Pencil Company  +
Patent-US-2328580.pdf +
The Parker Pen Company  +
Patent-US-2329996.pdf +
Silio Lubrani  +
Patent-US-2331606.pdf +
Eagle Pencil Company  +
Patent-US-2335223.pdf +
Norman E. Weigel  +
Patent-US-2337343.pdf +
David Kahn Inc  +
Patent-US-2338947.pdf +
Theodor Kovacs  +
Patent-US-2339079.pdf +
The Parker Pen Company  +
Patent-US-2339290.pdf +
David Kahn Inc  +
Patent-US-2339860.pdf +
David Kahn Inc  +
Patent-US-2340359.pdf +
Eversharp Inc.  +
Patent-US-2343991.pdf +
The Parker Pen Company  +
Patent-US-2349553.pdf +
American Lead Pencil Company  +
Patent-US-2353177.pdf +
The Wahl Company  +
Patent-US-2356109.pdf +
Joseph Wallace  +
Patent-US-2358091.pdf +
The Moore Pen Company  +
Patent-US-2360297.pdf +
Russell T. Wing  +
Patent-US-2362905.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2362948.pdf +
W. A. Sheaffer Pen Company  +
Patent-US-2365473.pdf +
David Kahn Inc.  +
Patent-US-2365880.pdf +
American Lead Pencil Company  +
Patent-US-2368425.pdf +
Benjamin F. Reynolds  +
Patent-US-237139.pdf +
William W. Stewart  +
Patent-US-237454.pdf +
William W. Stewart  +
Patent-US-2375770.pdf +
Arthur O. Dahlberg  +
Patent-US-2377444.pdf +
David Kahn Inc.  +
Patent-US-2380763.pdf +
American Lead Pencil Company  +
Patent-US-2386500.pdf +
The Parker Pen Company  +
Patent-US-2387001.pdf +
The Parker Pen Company  +
Patent-US-2390541.pdf +
The Esterbrook Steel Pen Manufacturing Co.  +
Patent-US-2392942.pdf +
The Parker Pen Company  +
Patent-US-2393250.pdf +
American Lead Pencil Company  +
Patent-US-2393251.pdf +
American Lead Pencil Company  +
Patent-US-2396058.pdf +
Radio Patent Corporation  +
Patent-US-2396919.pdf +
American Lead Pencil Company  +
Patent-US-2397229.pdf +
Eterpen S. A.  +
Patent-US-2398521.pdf +
Eversharp Inc.  +
Patent-US-2398531.pdf +
The Parker Pen Company  +
Patent-US-2400679.pdf +
Eterpen S. A.  +
Patent-US-2400768.pdf +
The Parker Pen Company  +
Patent-US-2401167.pdf +
Theodor Kovacs  +
Patent-US-2403039.pdf +
The Parker Pen Company  +
Patent-US-2403083.pdf +
The Parker Pen Company  +
Patent-US-2404063.pdf +
The Parker Pen Company  +
Patent-US-2405381.pdf +
Eterpen Sociedad Anonima Financiera  +
Patent-US-2406330.pdf +
The Parker Pen Company  +
Patent-US-2409869.pdf +
Joseph J. Kelley  +
Patent-US-2410423.pdf +
Scripto Manufacturing Company  +
Patent-US-241216.pdf +
John A. Holland  +
Patent-US-2413904.pdf +
Eterpen S. A.  +
Patent-US-2417861.pdf +
Arthur O. Dahlberg  +
Patent-US-2418218.pdf +
Autopoint Company  +
Patent-US-2418410.pdf +
Denison B. Hull  +
Patent-US-2419483.pdf +
Eversharp Inc.  +
Patent-US-2422351.pdf +
Eagle Pencil Company  +
Patent-US-2424731.pdf +
Autopoint Company  +
Patent-US-2427033.pdf +
Eversharp Inc.  +
Patent-US-2427068.pdf +
The Parker Pen Company  +
Patent-US-2427069.pdf +
The Parker Pen Company  +
Patent-US-2427243.pdf +
Eversharp Inc.  +
Patent-US-2428854.pdf +
The Parker Pen Company  +
Patent-US-2428863.pdf +
Russell T. Wing  +
Patent-US-2428960.pdf +
Eversharp Inc.  +
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