Ricerca semantica
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- Year 1925, n° BE-337528, applied in 1926, by Hermann Burkhardt, Paul Grob-Hablützel. Outil pour la fabrications des affiches.
- Year 1925, n° CH-117009, applied in 1926, by Hermann Burkhardt. Werkzeug zur Herstellung von Plakatschrift.
- Year 1925, n° GB-260304, applied in 1928, by Hermann Burkhardt, Paul Grob-Hablützel. Improvements in tools for poster writing.
- Year 1926, n° US-1648241, applied in 1927. Fountain pen.
- Year 1926, n° US-1706751, applied in 1929, by George A. Risk. Fountain pen.
- Year 1926, n° US-1647882, applied in 1927, by George H. Osterouth Jr. Fountain-pen.
- Year 1927, n° US-1706923, applied in 1929. Feeder bar.
- Year 1927, n° US-1720471, applied in 1929, by Rockel Alexander Fritsch. Attaching clip.
- Year 1927, n° US-1717001, applied in 1929, by Walter F. Benson. Clip and cap structure for fountain pens.
- Year 1928, n° US-1702954, applied in 1929, by Benjamin J. Title. Pencil attachment.
- Year 1928, n° US-1746065, applied in 1930, by Franklin A. Van Sant. Fountain-pen attachment.
- Year 1928, n° US-1783734, applied in 1930, by Clinton E. Marshall. Fountain pen attachment.
- Year 1929, n° US-1719895, applied in 1929, by Clinton E. Marshall. Clip.
- Year 1929, n° US-1902573, applied in 1933, by Samuel A. Neidich. Method for forming tubes of celluloid and the like.
- Year 1929, n° US-1825090, applied in 1931, by Marion O. Reis. Combination pen cap and blotter.
- Year 1929, n° US-1818216, applied in 1931, by Oscar Federbusch. Fountain pen.
- Year 1929, n° US-1811992, applied in 1931, by Benjamin R. Bell. Fountain pen.
- Year 1929, n° DE-549180, applied in 1932, by Hans Paasch. Fuellbleistift.
- Year 1930, n° US-1909795, applied in 1933, by Bjorn Andersen, Carsten Lyng. Coated cellulosic plastic.
- Year 1930, n° GB-344185, applied in 1931, by Albert Meredith Spain. Improvements in and relating to fountain pens.
- Year 1930, n° US-1794939, applied in 1931, by Alvin M. Yocom. Attachment for fountain pens.
- Year 1930, n° US-D082821, applied in 1930, by Frank Furedy. Design for a pencil.
- Year 1930, n° US-1783681, applied in 1930, by Owen R. Terry. Fountain-Pen refill indicator.
- Year 1931, n° US-1940223, applied in 1933, by Lucifer J. Most. Method of producing seamless celluloid articles from bars of celluloid.
- Year 1932, n° GB-396879, applied in 1933, by Andrew Stuart Horn. Improvements in or relating to Fountain or Reservoir Pens.
- Year 1932, n° FR-737250, applied in 1932, by Ourest Pousino. Porte-plume à réservoir à nouveau dispositif de remplissage.
- Year 1933, n° US-1931138, applied in 1933, by William A. Staff. Adjustable pencil holder.
- Year 1933, n° GB-420164, applied in 1934, by Andrew Stuart Horn. Improvements in or relating to Retaining Means for Fountain Pens, Propelling Pencils, and the like in Garment Pockets.
- Year 1933, n° US-2011516, applied in 1935, by Hugo A. Funk. Fountain pen.
- Year 1933, n° US-1986372, applied in 1935. Fountain pen.
- Year 1933, n° GB-414250, applied in 1934, by Andrew Stuart Horn. Improvements in or relating to Writing Points or Nibs.
- Year 1933, n° US-2051337, applied in 1936, by Andrew Stuart Horn. Improvements in or relating to Writing Points or Nibs.
- Year 1933, n° US-1999966, applied in 1935, by José Andrés y Hernandez. Pencil clip.
- Year 1933, n° US-1988878, applied in 1935, by Emanuel J. Sonn. Fountain pen.
- Year 1934, n° GB-435065, applied in 1935, by Andrew Stuart Horn. Improvements in or relating to Fountain or Reservoir Pens.
- Year 1934, n° US-1977527, applied in 1934, by Herman Pohle. Four color fountain pen.
- Year 1934, n° US-D099183, applied in 1936, by William Bowker, Rene P. Piperoux. Fountain pen.
- Year 1935, n° FR-805654, applied in 1936, by Charles Abel. Attache à levier mobile pour stylographes et objets analogues.
- Year 1935, n° US-D095860, applied in 1935, by Max M. Neuhoff. Design for a pen point.
- Year 1935, n° US-2033164, applied in 1936, by George S. Walter. Writing pen.
- Year 1935, n° GB-454040, applied in 1936, by Andrew Stuart Horn. Improvements in or relating to Fountain or Reservoir Pens.
- Year 1935, n° FR-807679, applied in 1937, by Vaclav Klimes, Paul Eisner. Perfectionnement aux stylos genre plumes-réservoirs.
- Year 1935, n° GB-476971, applied in 1937, by Vaclav Klimes. Writing implement.
- Year 1935, n° US-2093701, applied in 1937, by Jaroslav Zahel. Fountain pen.
- Year 1935, n° US-2075828, applied in 1937, by Archie D. Robinson. Pen.
- Year 1936, n° DE-672665, applied in 1939. Tintenleiter fuer Fuellfederhalter mit zu beiden Seiten und an der Unterseite des Luft- und Tintenkanals laengs verlaufenden Ausgleichskammern.
- Year 1936, n° US-2149557, applied in 1939, by John A. Snodgrass. Fountain pen.
- Year 1936, n° FR-818824, applied in 1937. Stylographe à auto-remplissage.
- Year 1936, n° US-2108552, applied in 1938, by Arthur W. Schoneberger. Fountain pen.
- Year 1937, n° US-2224162, applied in 1940. Letter opener.
- Year 1938, n° DE-689408, applied in 1940, by Ernest Wüller. Füllfederhalter mit in seinem Haupttintenraum vorgesehenem Hilfstintenraum.
- Year 1938, n° US-D112401, applied in 1938, by Anatol N. Andrews. Design for a fountain pen or a similar article.
- Year 1939, n° US-2219769, applied in 1940, by Robert S. Dorfman. Mechanical pencil.
- Year 1939, n° US-2293343, applied in 1942, by Doyle P. Jacobs. Mechanical pencil.
- Year 1940, n° CH-213442, applied in 1941, by Gustav Farner. Füllfederhalter.
- Year 1940, n° US-2213931, applied in 1940, by Raymond S. Huss. Penholder.
- Year 1940, n° US-2272674, applied in 1942, by Otto J. Kehr. Safety clasp.
- Year 1940, n° US-2233846, applied in 1941, by Eldie E. Packard. Fountain pen.
- Year 1940, n° US-2237155, applied in 1941, by Morris M. Malis. Clip and cap structure for fountain pens.
- Year 1940, n° US-2258030, applied in 1941, by John H. Oxley. Ink container.
- Year 1940, n° US-2229749, applied in 1941, by Frank E. Little. Fountain pen.
- Year 1940, n° US-2260571, applied in 1941, by Glenn E. Johndohl. Fountain pen.
- Year 1940, n° US-D127598, applied in 1941, by Clark Gower. Design for a celluloid bullet pencil.
- Year 1941, n° US-2279803, applied in 1942, by Aniceto R. Visitacion. Security clip.
- Year 1942, n° DK-63549, applied in 1945, by Aktieselsksbet Kores. Blaekhus.
- Year 1942, n° US-2329996, applied in 1943, by Silio Lubrani. Fountain pen.
- Year 1943, n° US-2418410, applied in 1947, by Denison B. Hull. Fastening device.
- Year 1944, n° GB-586917, applied in 1947, by John Pinkney Gowland. Improvements in or relating to Pens.
- Year 1944, n° US-2368425, applied in 1945, by Benjamin F. Reynolds. Fountain pen.
- Year 1944, n° US-2396058, applied in 1946, by Karl Rath. Marking pen.
- Year 1944, n° US-2409869, applied in 1946, by Joseph J. Kelley. Fountain pen.
- Year 1945, n° FR-911164, applied in 1946, by Fernand Victor Désiré Albert Outrequin. Stylographe avec cartouches à encre.
- Year 1945, n° US-D143176, applied in 1945, by John N. Whitehouse. Fountain pen.
- Year 1945, n° US-D143049, applied in 1947, by Maurice J. Waldinger. Design for a mechanical pencil.
- Year 1946, n° US-2456602, applied in 1948, by James W. Welsh. Fountain pen.
- Year 1946, n° US-2498384, applied in 1950. Fountain pen.
- Year 1946, n° US-2531113, applied in 1950, by Wilbur Arthur Davis. Clip and cap structure for fountain pens.
- Year 1946, n° DK-68984, applied in 1949, by Peter Jensen Neesgaard. Blækreguleringsanordning ved fyldepenne.
- Year 1946, n° US-2472343, applied in 1949, by Anthony G. Rosa. Fountain pen.
- Year 1946, n° US-D147107, applied in 1947, by Charles T. Breitenstein. Design for a fountain pen.
- Year 1946, n° AT-162116, applied in 1949. Verfahren zur Herstellung eines innen konisch verlaufenden und einseitig an der konischen Erweiterung verschlossenen Rohres aus plastischen Massen im Spritzverfahren.
- Year 1946, n° US-D147982, applied in 1947, by Robert J. Lynn. Design for a pencil.
- Year 1946, n° FR-941875, applied in 1949. Perfectionnements aux stylographes.
- Year 1947, n° US-D151661, applied in 1948, by John M. Sherrer. Design for a calendar pencil.
- Year 1947, n° FR-942385, applied in 1949. Dispositif d'accouplement automatique à verrouillage de sûreté.
- Year 1947, n° FR-944423, applied in 1949. Porte-plume réservoir perfectionné.
- Year 1947, n° US-D151989, applied in 1948, by Mahlon Edward Hirsch. Design for a ball point fountain pen.
- Year 1947, n° FR-950038, applied in 1949, by Léon-Victor Roussel. Pointes obliques pour stylographes à bille.
- Year 1947, n° FR-950633, applied in 1949, by Henri Borrus. Perfectionnements aux stylographes.
- Year 1948, n° FR-57926E, applied in 1953, by Henri Borrus. Perfectionnements aux stylographes.
- Year 1948, n° FR-960832, applied in 1950, by Serge-Ernest Detanne. Perfectionnements aux stylographes à billes.
- Year 1948, n° US-2588015, applied in 1952, by Herman Kochendoerffer. Pen.
- Year 1948, n° US-1890100, applied in 1954, by Harry Spiro. Fountain pen.
- Year 1949, n° DE-832559, applied in 1952, by Arnoldus Johann Michaël van der Akker. Schreibgerät mit konvergierenden Federspitzen.
- Year 1949, n° FR-991812, applied in 1951, by Pierre-Marie-Joseph Ledieu. Système régulateur d'alimentation pour porte-plumes réservoirs et similaires.
- Year 1949, n° DE-801614, applied in 1951, by Josef Ganter. Schreibeinsatz für Kugelschreiber.
- Year 1949, n° DE-803094, applied in 1951, by Hermann Mayr. Patronen- und kartuschenloser Kugelschreiber.
- Year 1950, n° FR-1009170, applied in 1952, by Robert Marie Émile Ernest Ferdinand de Riverieulx. Agrafe élastique, notamment pour capuchon de stylographe.
- Year 1950, n° FR-1020261, applied in 1953, by George Shey. Porte-plume réservoir.
- Year 1950, n° FR-1047934, applied in 1953, by Hendrik Karel Domenicus van den Bussche. Stylographe à bille.