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Elenco dei risultati
- File:Patent-US-764227.pdf + (August Eberstein, Charles Brandt)
- File:Patent-US-768216.pdf + (August Eberstein, Charles Brandt)
- File:Patent-GB-191129078.pdf + (August Eberstein, Ernest M. Wade)
- File:Patent-DE-569824.pdf + (August Leistenschneider)
- File:Patent-DE-99102.pdf + (Auguste Henri Garot)
- File:Patent-GB-754680.pdf + (Aurora S.p.A.)
- File:Patent-FR-1104618.pdf + (Aurora Società per Azioni)
- File:Patent-DE-1009055.pdf + (Aurora Società per Azioni)
- File:Patent-CH-318853.pdf + (Aurora Società per Azioni)
- File:Patent-GB-1017342.pdf + (Aurora Società per Azioni)
- File:Patent-GB-1017343.pdf + (Aurora Società per Azioni)
- File:Patent-FR-1531571.pdf + (Aurora Società per Azioni)
- File:Patent-US-1733780.pdf + (Autopoint Company)
- File:Patent-US-D115544.pdf + (Autopoint Company)
- File:Patent-US-2424731.pdf + (Autopoint Company)
- File:Patent-US-2593082.pdf + (Autopoint Company)
- File:Patent-US-2468699.pdf + (Autopoint Company)
- File:Patent-US-2292683.pdf + (Autopoint Company)
- File:Patent-US-2418218.pdf + (Autopoint Company)
- File:Patent-US-D138502.pdf + (Autopoint Company)
- File:Patent-US-D138499.pdf + (Autopoint Company)
- File:Patent-US-1426744.pdf + (Autopoint Manufacturing Company)
- File:Patent-US-1360647.pdf + (Autopoint Pencil Company)
- File:Patent-GB-705613.pdf + (Balthasar Götz)
- File:Patent-DE-900667.pdf + (Balthasar Götz)
- File:Patent-US-2669224.pdf + (Benjamin F. Miessner)
- File:Patent-US-2368425.pdf + (Benjamin F. Reynolds)
- File:Patent-US-956895.pdf + (Benjamin Grieshaber)
- File:Patent-US-1702954.pdf + (Benjamin J. Title)
- File:Patent-US-1811992.pdf + (Benjamin R. Bell)
- File:Patent-GB-190428533.pdf + (Benjamin William Warwick)
- File:Patent-FR-517248.pdf + (Berchtold & Kunz)
- File:Patent-US-955475.pdf + (Bert Rentz)
- File:Patent-CH-264938.pdf + (Biro-Patente Aktiengesellschaft)
- File:Patent-US-1606930.pdf + (Brown & Bigelow)
- File:Patent-US-1712304.pdf + (Brown & Bigelow)
- File:Patent-US-1772608.pdf + (Brown & Bigelow)
- File:Patent-US-1473701.pdf + (Byron B. Goldsmith)
- File:Patent-CH-312235.pdf + (C. Josef Lamy)
- File:Patent-US-2030452.pdf + (Camel Pen Company)
- File:Patent-US-1912774.pdf + (Camel Pen Company)
- File:Patent-US-2123427.pdf + (Camel Pen Company)
- File:Patent-DE-273638.pdf + (Cark Shicktanz)
- File:Patent-US-2756722.pdf + (Carl Josef Lamy)
- File:Patent-US-3539267.pdf + (Carl Josef Lamy)
- File:Patent-GB-739284.pdf + (Carl Josef Lamy)
- File:Patent-IT-174083.pdf + (Carlo Leoncini)
- File:Patent-US-1583579.pdf + (Carter's Ink Company)
- File:Patent-US-1669714.pdf + (Carter's Ink Company)
- File:Patent-US-1854747.pdf + (Carter's Ink Company)
- File:Patent-US-1749037.pdf + (Carter's Ink Company)
- File:Patent-US-1845293.pdf + (Carter's Ink Company)
- File:Patent-US-1042695.pdf + (Catherine H. Laughlin)
- File:Patent-US-1042804.pdf + (Catherine H. Laughlin)
- File:Patent-GB-190507113.pdf + (Cecil Bristow)
- File:Patent-GB-190601860.pdf + (Cecil Bristow)
- File:Patent-GB-190719977.pdf + (Cecil Bristow)
- File:Patent-FR-387824.pdf + (Cecil Bristow)
- File:Patent-GB-191203230.pdf + (Cecil Bristow)
- File:Patent-GB-191126950.pdf + (Cecil Bristow)
- File:Patent-GB-191330070.pdf + (Cecil Bristow)
- File:Patent-GB-191400948.pdf + (Cecil Bristow)
- File:Patent-GB-191507408.pdf + (Cecil Bristow)
- File:Patent-GB-191516665.pdf + (Cecil Bristow)
- File:Patent-GB-101895.pdf + (Cecil Bristow)
- File:Patent-US-1243383.pdf + (Cecil Bristow)
- File:Patent-US-D099183.pdf + (Celluloid Corporation)
- File:Patent-US-2081538.pdf + (Celluloid Corporation)
- File:Patent-US-1909795.pdf + (Celluloid Corporation)
- File:Patent-US-D096914.pdf + (Celluloid Corporation)
- File:Patent-AT-176469.pdf + (Centropen Národní Podnik.)
- File:Patent-US-851081.pdf + (Charles A. Faber)
- File:Patent-FR-377047.pdf + (Charles A. Faber)
- File:Patent-FR-805654.pdf + (Charles Abel)
- File:Patent-US-780416.pdf + (Charles Brandt)
- File:Patent-US-1209978.pdf + (Charles Brandt)
- File:Patent-US-771360.pdf + (Charles Brandt)
- File:Patent-US-750271.pdf + (Charles Brandt, Charles E. Brandt)
- File:Patent-US-1359880.pdf + (Charles Dunn)
- File:Patent-US-826552.pdf + (Charles Dunn)
- File:Patent-US-821993.pdf + (Charles Dunn)
- File:Patent-US-2007576.pdf + (Charles K. Lovejoy)
- File:Patent-US-D140697.pdf + (Charles K. Lovejoy)
- File:Patent-US-D140695.pdf + (Charles K. Lovejoy)
- File:Patent-US-1130741.pdf + (Charles R. Keeran)
- File:Patent-US-1151016.pdf + (Charles R. Keeran)
- File:Patent-US-D049743.pdf + (Charles R. Keeran)
- File:Patent-FR-496693.pdf + (Charles R. Keeran)
- File:Patent-US-1526365.pdf + (Charles S. Nudelman)
- File:Patent-DE-368070.pdf + (Charlesworth Livsey)
- File:Patent-FR-531284.pdf + (Charlesworth Livsey)
- File:Patent-FR-639313.pdf + (Charlesworth Livsey)
- File:Patent-US-1577646.pdf + (Charlesworth Livsey)
- File:Patent-US-1755586.pdf + (Chilton Pen Company)
- File:Patent-US-1811874.pdf + (Chilton Pen Company)
- File:Patent-US-1883160.pdf + (Chilton Pen Company)
- File:Patent-US-1917185.pdf + (Chilton Pen Company)
- File:Patent-US-1923734.pdf + (Chilton Pen Company)
- File:Patent-US-2017109.pdf + (Chilton Pen Company)
- File:Patent-US-2017110.pdf + (Chilton Pen Company)
- File:Patent-US-2089449.pdf + (Chilton Pen Company)
- File:Patent-US-2102044.pdf + (Chilton Pen Company)
- File:Patent-US-2118241.pdf + (Chilton Pen Company)
- File:Patent-US-2139045.pdf + (Chilton Pen Company)
- File:Patent-US-2318950.pdf + (Chilton Pen Company)
- File:Patent-US-1292736.pdf + (Clarence E. Barret)
- File:Patent-US-950939.pdf + (Clarence E. Martling, Charles Dunn)
- File:Patent-US-D127598.pdf + (Clark Gower)
- File:Patent-FR-944423.pdf + (Claude Pirany)
- File:Patent-US-1279821.pdf + (Clements L. Argon)
- File:Patent-US-1719895.pdf + (Clinton E. Marshall)
- File:Patent-US-1783734.pdf + (Clinton E. Marshall)
- File:Patent-IT-102094.pdf + (Columbus)
- File:Patent-FR-857935.pdf + (Compagnie des Encres)
- File:Patent-GB-190804840.pdf + (Conway Stewart & Co.)
- File:Patent-GB-885375.pdf + (Conway Stewart & Co.)
- File:Patent-GB-885374.pdf + (Conway Stewart & Co.)
- File:Patent-GB-1039667.pdf + (Conway Stewart & Co.)
- File:Patent-GB-1058094.pdf + (Conway Stewart & Co.)
- File:Patent-GB-1255389.pdf + (Conway Stewart & Co.)
- File:Patent-GB-1150333.pdf + (Conway Stewart & Co.)
- File:Patent-GB-297194.pdf + (Conway Stewart & Co., Arthur Stanley Jones)
- File:Patent-GB-473481.pdf + (Conway Stewart & Co., Arthur Stanley Jones)
- File:Patent-GB-523717.pdf + (Conway Stewart & Co., Arthur Stanley Jones)
- File:Patent-GB-235447.pdf + (Conway Stewart & Co., George Frank Smith)
- File:Patent-GB-330144.pdf + (Conway Stewart & Co., James Jeff)
- File:Patent-GB-424069.pdf + (Conway Stewart & Co., James Jeff)
- File:Patent-US-1498558.pdf + (Corona Pen Company)
- File:Patent-US-1704470.pdf + (Corona Pen Company Inc.)
- File:Patent-US-1390366.pdf + (Crocker Pen Company)
- File:Patent-US-1554517.pdf + (Daniel A. O'Neill)
- File:Patent-US-827022.pdf + (David B. Kaufmann)
- File:Patent-US-827004.pdf + (David B. Kaufmann)
- File:Patent-US-19613.pdf + (David C. Field)
- File:Patent-GB-418734.pdf + (David Finburgh)
- File:Patent-US-2188662.pdf + (David J. La France)
- File:Patent-US-1807415.pdf + (David J. La France)
- File:Patent-US-D098255.pdf + (David Kahn)
- File:Patent-US-D138346.pdf + (David Kahn)
- File:Patent-US-D135890.pdf + (David Kahn)
- File:Patent-US-D084146.pdf + (David Kahn)
- File:Patent-US-D138345.pdf + (David Kahn)
- File:Patent-US-1966369.pdf + (David Kahn Inc)
- File:Patent-US-2009182.pdf + (David Kahn Inc)
- File:Patent-US-2075725.pdf + (David Kahn Inc)
- File:Patent-US-2093919.pdf + (David Kahn Inc)
- File:Patent-US-2094796.pdf + (David Kahn Inc)
- File:Patent-US-2094797.pdf + (David Kahn Inc)
- File:Patent-US-2105424.pdf + (David Kahn Inc)
- File:Patent-US-2141988.pdf + (David Kahn Inc)
- File:Patent-US-2141989.pdf + (David Kahn Inc)
- File:Patent-US-2141990.pdf + (David Kahn Inc)
- File:Patent-US-2141991.pdf + (David Kahn Inc)
- File:Patent-US-2150065.pdf + (David Kahn Inc)
- File:Patent-US-2156775.pdf + (David Kahn Inc)
- File:Patent-US-2186027.pdf + (David Kahn Inc)
- File:Patent-US-2186869.pdf + (David Kahn Inc)
- File:Patent-US-2186870.pdf + (David Kahn Inc)
- File:Patent-US-2203093.pdf + (David Kahn Inc)
- File:Patent-US-2208460.pdf + (David Kahn Inc)
- File:Patent-US-2249004.pdf + (David Kahn Inc)
- File:Patent-US-2293621.pdf + (David Kahn Inc)
- File:Patent-US-2293622.pdf + (David Kahn Inc)
- File:Patent-US-2293623.pdf + (David Kahn Inc)
- File:Patent-US-2312928.pdf + (David Kahn Inc)
- File:Patent-US-2337343.pdf + (David Kahn Inc)
- File:Patent-US-2339290.pdf + (David Kahn Inc)
- File:Patent-US-2339860.pdf + (David Kahn Inc)
- File:Patent-US-2509234.pdf + (David Kahn Inc)
- File:Patent-US-2548906.pdf + (David Kahn Inc)
- File:Patent-US-2605745.pdf + (David Kahn Inc)
- File:Patent-US-2605746.pdf + (David Kahn Inc)
- File:Patent-US-2624315.pdf + (David Kahn Inc)
- File:Patent-US-2642842.pdf + (David Kahn Inc)
- File:Patent-US-2676570.pdf + (David Kahn Inc)
- File:Patent-US-2692580.pdf + (David Kahn Inc)
- File:Patent-US-2750927.pdf + (David Kahn Inc)
- File:Patent-US-2774333.pdf + (David Kahn Inc)
- File:Patent-US-2807237.pdf + (David Kahn Inc)
- File:Patent-US-2951465.pdf + (David Kahn Inc)
- File:Patent-US-2811948.pdf + (David Kahn Inc.)
- File:Patent-US-2964012.pdf + (David Kahn Inc.)
- File:Patent-US-2153488.pdf + (David Kahn Inc.)
- File:Patent-US-D087524.pdf + (David Kahn Inc.)
- File:Patent-US-D087525.pdf + (David Kahn Inc.)
- File:Patent-US-D088299.pdf + (David Kahn Inc.)
- File:Patent-US-D141588.pdf + (David Kahn Inc.)
- File:Patent-US-D158973.pdf + (David Kahn Inc.)
- File:Patent-US-D183696.pdf + (David Kahn Inc.)
- File:Patent-US-D110810.pdf + (David Kahn Inc.)
- File:Patent-US-D123293.pdf + (David Kahn Inc.)
- File:Patent-US-D101042.pdf + (David Kahn Inc.)
- File:Patent-US-D106407.pdf + (David Kahn Inc.)
- File:Patent-US-D114095.pdf + (David Kahn Inc.)
- File:Patent-US-D121336.pdf + (David Kahn Inc.)
- File:Patent-US-D121335.pdf + (David Kahn Inc.)
- File:Patent-US-D158465.pdf + (David Kahn Inc.)
- File:Patent-US-2365473.pdf + (David Kahn Inc.)
- File:Patent-US-D120734.pdf + (David Kahn Inc.)
- File:Patent-US-D087523.pdf + (David Kahn Inc.)
- File:Patent-US-2377444.pdf + (David Kahn Inc.)
- File:Patent-US-839537.pdf + (David W. Beaumel)
- File:Patent-US-769427.pdf + (David W. Beaumel)
- File:Patent-US-1169603.pdf + (David W. Beaumel)
- File:Patent-US-1435446.pdf + (David W. Beaumel)
- File:Patent-US-507348.pdf + (David W. Beaumel)
- File:Patent-US-491795.pdf + (David W. Beaumel)
- File:Patent-US-603463.pdf + (David W. Beaumel)
- File:Patent-US-1790037.pdf + (Davide Dante Zerollo)
- File:Patent-US-1247169.pdf + (Davidson Rubber Company)
- File:Patent-US-816345.pdf + (Davidson Rubber Company)
- File:Patent-US-1472962.pdf + (De Witt - La France Co.)
- File:Patent-US-1340277.pdf + (De Witt - La France Co.)
- File:Patent-US-1350412.pdf + (De Witt - La France Co.)
- File:Patent-US-1472963.pdf + (De Witt - La France Co.)
- File:Patent-US-1517411.pdf + (De Witt - La France Co.)
- File:Patent-US-1537226.pdf + (De Witt - La France Co.)
- File:Patent-US-1423603.pdf + (De Witt - La France Co.)
- File:Patent-US-1434684.pdf + (De Witt - La France Co.)
- File:Patent-US-1473215.pdf + (De Witt - La France Co.)
- File:Patent-US-1328215.pdf + (De Witt C. Van Valer, Hobart W. Geyer)
- File:Patent-US-1300849.pdf + (De Witt La France Co.)
- File:Patent-US-1490735.pdf + (De Witt-La France Company)
- File:Patent-US-1488385.pdf + (De Witt-La France Company)
- File:Patent-US-1504747.pdf + (De Witt-La France Company)
- File:Patent-US-2418410.pdf + (Denison B. Hull)
- File:Patent-US-361493.pdf + (Dewitt C. Demarest)
- File:Patent-US-340865.pdf + (Dewitt C. Demarest)
- File:Patent-US-408000.pdf + (Dewitt C. Demarest)
- File:Patent-US-1112362.pdf + (Dewitt C. Demarest)
- File:Patent-US-353053.pdf + (Dewitt C. Demarest)
- File:Patent-US-1075631.pdf + (Diamond Point Company)
- File:Patent-US-D151661.pdf + (Donald L. Skene, Arlo S. Stoops)
- File:Patent-US-2293343.pdf + (Doyle P. Jacobs)
- File:Patent-US-1277848.pdf + (Duncan Cameron)
- File:Patent-US-940509.pdf + (Duncan Cameron)
- File:Patent-US-1375559.pdf + (Duncan Cameron)
- File:Patent-FR-483349.pdf + (Duncan Cameron)
- File:Patent-GB-113082.pdf + (Duncan Cameron)
- File:Patent-GB-101241.pdf + (Duncan Cameron)
- File:Patent-FR-20859E.pdf + (Duncan Cameron)
- File:Patent-GB-151844.pdf + (Duncan Cameron)
- File:Patent-FR-526081.pdf + (Duncan Cameron)
- File:Patent-DE-356665.pdf + (Duncan Cameron)
- File:Patent-FR-396527.pdf + (Duncan Cameron)
- File:Patent-GB-190823642.pdf + (Duncan Cameron, Albert Edward Wright, MacNiven and Cameron Waverley Works)
- File:Patent-GB-190515547.pdf + (Duncan Cameron, MacNiven and Cameron Waverley Works)
- File:Patent-GB-190809818.pdf + (Duncan Cameron, MacNiven and Cameron Waverley Works)
- File:Patent-GB-190708313.pdf + (Duncan Cameron, MacNiven and Cameron Waverley Works)
- File:Patent-GB-190828493.pdf + (Duncan Cameron, MacNiven and Cameron Waverley Works)
- File:Patent-GB-190804024.pdf + (Duncan Cameron, Waverley Works)
- File:Patent-US-174965.pdf + (Duncan Mackinnon)
- File:Patent-US-217888.pdf + (Duncan Mackinnon)
- File:Patent-US-D036798.pdf + (E. Faber Pencil Co.)
- File:Patent-US-2328116.pdf + (E. O. Weigel & sons)
- File:Patent-US-2289963.pdf + (Eagle Pencil Company)
- File:Patent-US-1358511.pdf + (Eagle Pencil Company)
- File:Patent-US-1569783.pdf + (Eagle Pencil Company)
- File:Patent-US-1622316.pdf + (Eagle Pencil Company)
- File:Patent-US-1926852.pdf + (Eagle Pencil Company)
- File:Patent-US-2059577.pdf + (Eagle Pencil Company)
- File:Patent-US-2105189.pdf + (Eagle Pencil Company)
- File:Patent-US-2133617.pdf + (Eagle Pencil Company)
- File:Patent-US-2148236.pdf + (Eagle Pencil Company)
- File:Patent-US-2170242.pdf + (Eagle Pencil Company)
- File:Patent-US-2225864.pdf + (Eagle Pencil Company)
- File:Patent-US-2263299.pdf + (Eagle Pencil Company)
- File:Patent-US-2328143.pdf + (Eagle Pencil Company)
- File:Patent-US-2331606.pdf + (Eagle Pencil Company)
- File:Patent-US-2422351.pdf + (Eagle Pencil Company)
- File:Patent-US-785653.pdf + (Eagle Pencil Company)
- File:Patent-US-785654.pdf + (Eagle Pencil Company)
- File:Patent-US-907722.pdf + (Eagle Pencil Company)
- File:Patent-US-954415.pdf + (Eagle Pencil Company)
- File:Patent-US-1051670.pdf + (Eagle Pencil Company)
- File:Patent-US-1051671.pdf + (Eagle Pencil Company)
- File:Patent-US-1198994.pdf + (Eagle Pencil Company)
- File:Patent-US-1205847.pdf + (Eagle Pencil Company)
- File:Patent-US-1213725.pdf + (Eagle Pencil Company)
- File:Patent-US-1216732.pdf + (Eagle Pencil Company)
- File:Patent-US-1262438.pdf + (Eagle Pencil Company)
- File:Patent-US-1284718.pdf + (Eagle Pencil Company)
- File:Patent-US-2432061.pdf + (Eagle Pencil Company)
- File:Patent-US-2022416.pdf + (Eagle Pencil Company)
- File:Patent-US-D119006.pdf + (Eagle Pencil Company)
- File:Patent-US-599616.pdf + (Eagle Pencil Company)
- File:Patent-US-D039560.pdf + (Eagle Pencil Company)
- File:Patent-US-1153754.pdf + (Eagle Pencil Company)
- File:Patent-US-D112283.pdf + (Eagle Pencil Company)
- File:Patent-US-D047595.pdf + (Eagle Pencil Company)
- File:Patent-US-D146181.pdf + (Eberhard Faber Corporation)
- File:Patent-US-D124266.pdf + (Eberhard Faber Pencil Co.)
- File:Patent-GB-685706.pdf + (Eclipse Fountain Pen and Pencil Company)
- File:Patent-CA-358526.pdf + (Eclipse Fountain Pen and Pencil Company)
- File:Patent-CA-477244.pdf + (Eclipse Fountain Pen and Pencil Company)
- File:Patent-US-632320.pdf + (Edgar E. Nelthorpe, George H. Williamson)
- File:Patent-US-1320393.pdf + (Edmund M. Houston, William A. Houston)
- File:Patent-GB-100592.pdf + (Edmund Moster & Co.)
- File:Patent-DE-338340.pdf + (Edmund Moster & Co.)
- File:Patent-FR-512990.pdf + (Edmund Moster & Co.)
- File:Patent-DE-384550.pdf + (Edmund Moster & Co.)
- File:Patent-DE-337310.pdf + (Edmund Moster & Co. A. G.)
- File:Patent-DE-387264.pdf + (Edmund Moster & Co. A.-G.)
- File:Patent-DE-391847.pdf + (Edmund Moster & Co. Akt.-Ges.)
- File:Patent-AT-87532B.pdf + (Edmund Moster & Co. Aktien Gesellschaft)
- File:Patent-AT-65330B.pdf + (Edmund Moster & Co., Aktien Gesellschaft in Agram)
- File:Patent-GB-191101051.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-GB-190814947.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-FR-395879.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-AT-38995.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-CH-45651.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-AT-56132B.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-AT-63461B.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-FR-423826.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-FR-15507E.pdf + (Edmund Moster, Mavro Moster)
- File:Patent-GB-191210727.pdf + (Edmund Moster, Mavro Moster, Eduard Penkala)
- File:Patent-FR-363394.pdf + (Eduard Penkala)
- File:Patent-DE-183242.pdf + (Eduard Penkala)
- File:Patent-DE-176702.pdf + (Eduard Penkala)
- File:Patent-FR-06524E.pdf + (Eduard Penkala)
- File:Patent-GB-190603690.pdf + (Eduard Penkala)
- File:Patent-AT-31184.pdf + (Eduard Penkala)
- File:Patent-DK-09918.pdf + (Eduard Penkala)
- File:Patent-DK-09144.pdf + (Eduard Penkala)
- File:Patent-GB-190616715.pdf + (Eduard Penkala)
- File:Patent-CH-36513.pdf + (Eduard Penkala)
- File:Patent-CH-37618.pdf + (Eduard Penkala)
- File:Patent-AT-31185.pdf + (Eduard Penkala)
- File:Patent-GB-190812001.pdf + (Eduard Penkala)
- File:Patent-AT-36998.pdf + (Eduard Penkala)
- File:Patent-DE-193717.pdf + (Eduard Penkala)
- File:Patent-DE-121245.pdf + (Eduard Reisert)
- File:Patent-CH-13885.pdf + (Eduard Reisert)
- File:Patent-CH-282E.pdf + (Eduard Reisert)
- File:Patent-US-803927.pdf + (Eduard Reisert)
- File:Patent-US-673451.pdf + (Eduard Reisert)
- File:Patent-US-655736.pdf + (Eduard Reisert)
- File:Patent-US-634029.pdf + (Eduard Reisert)
- File:Patent-GB-190308198.pdf + (Eduard Reisert)
- File:Patent-GB-190023217.pdf + (Eduard Reisert)
- File:Patent-GB-190006677.pdf + (Eduard Reisert)
- File:Patent-GB-189902000.pdf + (Eduard Reisert)
- File:Patent-FR-333684.pdf + (Eduard Reisert)