Ricerca semantica

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  • Year 1888, n° US-416944, applied in 1889, by George S. Parker. Fountain pen.
  • Year 1889, n° US-423804, applied in 1890, by George S. Parker. Fountain-pen.
  • Year 1890, n° US-455023, applied in 1891, by George S. Parker. Fountain-pen.
  • Year 1892, n° US-510439, applied in 1893, by George S. Parker. Fountain-pen.
  • Year 1893, n° US-512319, applied in 1894, by George S. Parker. Fountain-pen.
  • Year 1897, n° US-606231, applied in 1898, by George S. Parker. Fountain-pen.
  • Year 1898, n° US-622256, applied in 1899, by George S. Parker. Fountain-pen.
  • Year 1899, n° US-629519, applied in 1899, by Stephen J. Meyerpeter. Fountain-pen.
  • Year 1899, n° US-635700, applied in 1899, by George S. Parker. Fountain-pen.
  • Year 1899, n° US-642151, applied in 1900, by George S. Parker. Fountain-pen.
  • Year 1900, n° US-653818, applied in 1900, by George S. Parker. Fountain-pen.
  • Year 1903, n° US-758930, applied in 1904, by George S. Parker. Fountain-pen.
  • Year 1904, n° US-778997, applied in 1905, by George S. Parker. Feeder for fountain-pens.
  • Year 1904, n° US-787152, applied in 1905, by John T. Davison. Self-filling fountain-pen.
  • Year 1905, n° US-791466, applied in 1905, by Edward M. Heylman. Self-filling fountain-pen.
  • Year 1906, n° US-854584, applied in 1907, by Arnold Martinelli. Clip or sustaining device for fountain-pens.
  • Year 1909, n° US-1028382, applied in 1912, by George S. Parker. Safety-cap for fountain-pens.
  • Year 1910, n° US-990288, applied in 1911, by George S. Parker. Fountain-pen.
  • Year 1911, n° US-1078513, applied in 1913, by George S. Parker. Fountain-pen.
  • Year 1914, n° US-1284525, applied in 1918, by Russell T. Wing. Fountain-pen.
  • Year 1916, n° US-1197224, applied in 1916, by William E. Moore. Clip for fountain-pens.
  • Year 1919, n° US-1346045, applied in 1920, by William E. Moore. Pressure-bar mechanism.
  • Year 1920, n° US-1365463, applied in 1921, by Arthur O. Dahlberg. Fountain-pen indicator.
  • Year 1921, n° US-1419026, applied in 1922, by Arthur O. Dahlberg. Fountain pen.
  • Year 1921, n° US-1484683, applied in 1924, by Lewis M. Tebbel. Self-filling fountain pen.
  • Year 1921, n° US-1632371, applied in 1927, by George W. Gilman. Pencil.
  • Year 1922, n° US-1486246, applied in 1924, by Oscar B. Hjorth. Fountain pen.
  • Year 1922, n° US-1507729, applied in 1924, by Arthur O. Dahlberg. Fountain pen.
  • Year 1922, n° US-1647093, applied in 1927, by Paul S. Hauton. Clip for pens, pencils, and the like.
  • Year 1923, n° US-1492451, applied in 1924, by Walter E. Guyot. Refill mechanism for fountain pens.
  • Year 1925, n° US-D070575, applied in 1926, by George S. Parker. Design for a pencil.
  • Year 1925, n° US-1634618, applied in 1927, by Oscar B. Hjorth. Fountain pen.
  • Year 1926, n° US-1706662, applied in 1929, by Walter E. Guyot. Desk set.
  • Year 1926, n° US-1629987, applied in 1927, by Horace L. Blackman. Holder for fountain pens.
  • Year 1926, n° US-1669036, applied in 1928, by Horace L. Blackman, Oscar B. Hjorth. Pen-gripping device.
  • Year 1926, n° US-1669040, applied in 1928, by William L. Cannif. Pen-gripping device.
  • Year 1927, n° US-1720717, applied in 1929, by Amos F. Bumpus. Magazine pencil.
  • Year 1927, n° US-1674259, applied in 1928, by Bernard M. Palmer. Pencil gripper.
  • Year 1927, n° US-1674260, applied in 1928, by Bernard M. Palmer. Pencil gripper.
  • Year 1927, n° US-1674261, applied in 1928, by Bernard M. Palmer. Pencil gripper.
  • Year 1927, n° US-D076794, applied in 1928, by Walter E. Guyot. Design for a support for penholder.
  • Year 1928, n° US-1819383, applied in 1931, by Kenneth S. Parker. Fountain pen.
  • Year 1928, n° US-1782597, applied in 1930, by Horace L. Blackman. Dispensing cabinet.
  • Year 1928, n° GB-318982, applied in 1930, by Arthur O. Dahlberg. Improvements in or relating to fountain pens.
  • Year 1929, n° US-1793824, applied in 1931, by Kenneth S. Parker. Fountain pen.
  • Year 1929, n° US-1821477, applied in 1931, by Kenneth S. Parker. Fountain pen.
  • Year 1929, n° US-1793610, applied in 1931, by Walter E. Guyot. Desk-set receptacle.
  • Year 1929, n° US-1801635, applied in 1931, by William E. Moore. Fountain pen.
  • Year 1929, n° US-1772000, applied in 1930, by Walter E. Guyot. Desk-set receptacle and gripper.
  • Year 1929, n° US-D081254, applied in 1930, by Kenneth S. Parker. Design for a fountain pen.
  • Year 1929, n° US-1818743, applied in 1931, by Kenneth S. Parker. Adjustable feed for fountain pens.
  • Year 1929, n° US-1917568, applied in 1933, by Benjamin F. Wupper. Fountain pen.
  • Year 1930, n° US-1882780, applied in 1932, by Arthur O. Dahlberg. Fountain pen.
  • Year 1930, n° US-1860093, applied in 1932, by Walter E. Guyot. Writing instrument receiving receptacle.
  • Year 1930, n° US-1892145, applied in 1932, by Walter E. Guyot. Mechanical pencil.
  • Year 1931, n° US-1972395, applied in 1934, by Galen H. Sayler. Permanent brilliantly colored writing fluid.
  • Year 1931, n° US-1932248, applied in 1933, by Carl S. Miner, Galen H. Sayler. Permanent quick drying writing fluid.
  • Year 1931, n° US-D087792, applied in 1932, by Russel C. Parker. Design for a fountain pen.
  • Year 1931, n° US-1853876, applied in 1932, by Kenneth S. Parker et al. Desk set mounting.
  • Year 1931, n° US-1956084, applied in 1934, by Ivan D. Tefft. Desk set mounting.
  • Year 1931, n° US-1920770, applied in 1933, by Ivan D. Tefft, Kenneth S. Parker. Mechanical pencil.
  • Year 1931, n° US-1916808, applied in 1932, by Kenneth S. Parker. Desk set.
  • Year 1932, n° US-D089815, applied in 1933, by Ivan D. Tefft. Design for a fountain pen.
  • Year 1932, n° US-1892181, applied in 1932, by Ivan D. Tefft. Desk set structure.
  • Year 1932, n° US-2016106, applied in 1935, by Arthur O. Dahlberg. Fountain pen.
  • Year 1932, n° US-D089449, applied in 1933, by Russel C. Parker. Design for a fountain pen.
  • Year 1932, n° US-1950364, applied in 1934, by William E. Moore. Fountain pen feed.
  • Year 1932, n° US-1980508, applied in 1934, by Ivan D. Tefft. Fountain pen filling device.
  • Year 1932, n° US-D088821, applied in 1932, by Joseph B. Platt, Ivan D. Tefft. Design for a fountain pen and pencil clip.
  • Year 1933, n° US-1904358, applied in 1933, by Arthur O. Dahlberg. Fountain pen.
  • Year 1933, n° GB-417546, applied in 1934. Fountain pen.
  • Year 1934, n° US-1989351, applied in 1935, by Lucius A. Crowell. Fountain pen and other marking means.
  • Year 1934, n° US-2035378, applied in 1936, by Galen H. Sayler. Fountain pen.
  • Year 1934, n° US-1985643, applied in 1934, by Carl Pfanstiehl. Fountain pen.
  • Year 1934, n° US-2037177, applied in 1936, by Nathan W. Paquette. Fountain pen.
  • Year 1934, n° US-2031343, applied in 1936, by Ivan D. Tefft. Fountain pen.
  • Year 1934, n° US-2035372, applied in 1936, by David F. Mohns. Fountain pen.
  • Year 1936, n° US-D102799, applied in 1937, by Kenneth S. Parker. Design for a fountain pen or other writing implement.
  • Year 1936, n° US-D102800, applied in 1937, by Kenneth S. Parker. Design for a fountain pen or other writing implement.
  • Year 1936, n° US-D102801, applied in 1937, by Kenneth S. Parker. Design for a fountain pen or other writing implement.
  • Year 1936, n° US-2110007, applied in 1938, by Ivan D. Tefft. Desk set.
  • Year 1936, n° US-2096044, applied in 1937, by Roy B. Johns. Tube and method of forming the same.
  • Year 1937, n° US-D106326, applied in 1937, by Paul M. Ressinger. Design for a fountain pen or similar article.
  • Year 1937, n° US-D107708, applied in 1937, by Paul M. Ressinger, Ivan D. Tefft. Design for a fountain pen and pencil clip.
  • Year 1937, n° US-2187528, applied in 1940, by Russel T. Wing. Fountain pen.
  • Year 1937, n° FR-862566, applied in 1941. Stylographe.
  • Year 1937, n° GB-537269, applied in 1941. Fountain pen.
  • Year 1939, n° US-2223541, applied in 1940, by Marlin S. Baker. Fountain pen.
  • Year 1939, n° GB-534657, applied in 1941. Fountain pen.
  • Year 1939, n° GB-534683, applied in 1941. Fountain pen.
  • Year 1939, n° US-D116097, applied in 1939, by Kenneth S. Parker, Marlin S. Baker. Design for a fountain pen.
  • Year 1939, n° US-D116098, applied in 1939, by Kenneth S. Parker, Marlin S. Baker. Design for a fountain pen barrel.
  • Year 1939, n° US-2267147, applied in 1941, by Marlin S. Baker. Process for manufacturing pen nibs.
  • Year 1940, n° US-2278907, applied in 1942, by Marlin S. Baker. Fountain pen.
  • Year 1940, n° US-2254975, applied in 1941, by Milton R. Pickus. Material for pen tips.
  • Year 1941, n° US-2286878, applied in 1942, by Ivan D. Tefft, Marlin S. Baker. Adjustable eraser holder.
  • Year 1941, n° US-2308658, applied in 1943, by Otto Jendresen. Apparatus for tipping metal bases with metal tips.
  • Year 1941, n° US-2308659, applied in 1943, by Otto Jendresen. Apparatus for tipping metal bases with metal tips.
  • Year 1941, n° US-2282840, applied in 1942, by Russell T. Wing. Fountain pen.
  • Year 1941, n° US-2339079, applied in 1944, by Otto Jendresen. Apparatus for tipping metal bases with metal tips.
  • Year 1941, n° US-2328580, applied in 1943, by Milton R. Pickus. Ruthenium alloy pen point.
  • Year 1942, n° US-2308810, applied in 1943, by Philip C. Hull. Desk set mounting.
  • Year 1942, n° US-2343991, applied in 1944, by David F. Mohns. Filling mechanism for fountain pens.
  • Year 1943, n° US-2375770, applied in 1945, by Arthur O. Dahlberg. Fountain pen.
  • Year 1943, n° US-2386500, applied in 1945, by Kenneth S. Parker. Desk set.
  • Year 1944, n° US-2360297, applied in 1944, by Russell T. Wing. Fountain pen.
  • Year 1944, n° US-2404063, applied in 1946, by Emmett Healy. Fountain pen.
  • Year 1944, n° US-2392942, applied in 1946, by Lester W. Ormsby. Fountain pen cap construction.
  • Year 1944, n° US-2387001, applied in 1945, by Marlin S. Baker. Fountain pen.
  • Year 1944, n° US-2406330, applied in 1946, by Walter J. Heagney. Fountain pen filling unit.
  • Year 1944, n° US-2403039, applied in 1946, by Marlin S. Baker. Fountain pen.
  • Year 1944, n° US-2403083, applied in 1946, by Philip C. Hull. Desk set mounting.
  • Year 1944, n° US-2398531, applied in 1946, by Philip C. Hull. Filling mechanism for fountain pens.
  • Year 1944, n° US-2400768, applied in 1946, by David F. Mohns. Fountain pen.
  • Year 1945, n° US-2417861, applied in 1947, by Arthur O. Dahlberg. Fountain pen.
  • Year 1945, n° US-2512004, applied in 1950, by Russell T. Wing. Fountain pen.
  • Year 1945, n° US-2581739, applied in 1952, by Russell T. Wing. Fountain pen.
  • Year 1945, n° US-2506035, applied in 1950, by Kenneth S. Parker. Writing instrument.
  • Year 1945, n° GB-642437, applied in 1950. Fountain pen.
  • Year 1945, n° US-2522553, applied in 1950, by Frederick R. Wittnebert. Fountain pen.
  • Year 1945, n° FR-969964, applied in 1950, by Frederick R. Wittnebert. Stylographe à remplissage par capillarité.
  • Year 1945, n° CH-281156, applied in 1952. Füllfederhalter.
  • Year 1945, n° GB-595436, applied in 1947. Fountain pen.
  • Year 1945, n° CH-260100, applied in 1949. Fountain pen.
  • Year 1945, n° US-2452504, applied in 1948, by Ivan D. Tefft. Writing instrument.
  • Year 1945, n° US-2427068, applied in 1947, by Robert W. Randolph. Ball-point writing instrument.
  • Year 1945, n° US-2427069, applied in 1947, by Robert W. Randolph. Writing instrument.
  • Year 1945, n° US-2428854, applied in 1947, by Robert W. Randolph. Writing instrument.
  • Year 1945, n° US-2481874, applied in 1949, by Robert W. Randolph. Ball-point writing instrument.
  • Year 1945, n° US-2464104, applied in 1949, by Ivan D. Tefft. Fountain pen.
  • Year 1945, n° US-2428863, applied in 1947, by Russell T. Wing. Fountain pen.
  • Year 1945, n° US-2510634, applied in 1950, by Philip C. Hull. Magnetic desk set.
  • Year 1945, n° US-2561923, applied in 1951, by Edward B. Harmon. Fountain pen desk set.
  • Year 1945, n° US-2528327, applied in 1950, by Marlin S. Baker. Fountain pen.
  • Year 1945, n° US-2580753, applied in 1952, by Herman C. Frentzel. Ball point fountain pen.
  • Year 1945, n° US-2503043, applied in 1950, by Robert Gruen. Pen desk set.
  • Year 1945, n° US-2510648, applied in 1950, by Laszlo Moholy-Nagy. Pen desk set.
  • Year 1946, n° US-D146806, applied in 1947, by Laszlo Moholy-Nagy. Fountain pen.
  • Year 1946, n° US-2484640, applied in 1949, by James A. Mustard. Mechanical pencil.
  • Year 1946, n° US-2489463, applied in 1949, by William B. Reynolds. Stable blue writing ink and a dye therefor.
  • Year 1946, n° US-2503080, applied in 1950, by Ivan D. Tefft, Marlin S. Baker. Mechanical pencil with push-button type lead feeding means.
  • Year 1946, n° US-2503061, applied in 1950, by Laszlo Moholy-Nagy. Pen desk set.
  • Year 1946, n° US-2483603, applied in 1949, by Russell T. Wing. Fountain pen.
  • Year 1946, n° US-2509465, applied in 1950, by Russell T. Wing. Dual-well fountain pen.
  • Year 1946, n° US-2581740, applied in 1952, by Russell T. Wing. Fountain pen.
  • Year 1946, n° FR-951555, applied in 1949, by Harlan H. Zodtner, James A. Mustard. Stylographe avec dispositif de remplissage du réservoir d'encre et d'adduction de l'encre vers la surface d'écriture.
  • Year 1946, n° GB-634735, applied in 1950. Fountain pen.
  • Year 1946, n° US-2681041, applied in 1954, by Harlan H. Zodtner, James A. Mustard. Fountain pen.
  • Year 1946, n° US-2554654, applied in 1951, by Frederick R. Wittnebert. Fountain pen.
  • Year 1946, n° US-2462929, applied in 1949, by Harlan H. Zodtner. Fountain pen.
  • Year 1946, n° US-2454086, applied in 1948, by Robert W. Randolph. Ball-point writing instrument.
  • Year 1946, n° US-2619070, applied in 1952, by Marlin S. Baker. Ink feed and overflow collector means for fountain pens.
  • Year 1947, n° US-2522554, applied in 1950, by Harlan H. Zodtner. Fountain pen.
  • Year 1947, n° US-2522555, applied in 1950, by Floyd E. Bartell. Fountain pen.
  • Year 1947, n° GB-646726, applied in 1950. Improvements in or relating to fountain pens.
  • Year 1947, n° FR-969966, applied in 1950, by Harlan H. Zodtner et al. Stylographe aver reservoir d'encre remplissable par capillarité.
  • Year 1947, n° CH-274547, applied in 1951. Füllfederhalter.
  • Year 1947, n° DE-882047, applied in 1953, by Harlan H. Zodtner et al. Fuellfederhalter.
  • Year 1947, n° US-2504420, applied in 1950, by Philip C. Hull, George W. Gilman. Magazine pencil with rotary lead propelling means.
  • Year 1947, n° US-2528408, applied in 1950, by Harlan H. Zodtner. Fountain pen.
  • Year 1947, n° US-2670711, applied in 1954, by Frederick R. Wittnebert. Fountain pen.
  • Year 1948, n° US-2645205, applied in 1953, by Robert W. Randolph. Fountain pen.
  • Year 1948, n° US-2598171, applied in 1952, by Philip C. Hull. Nib for writing pens.
  • Year 1948, n° US-2528390, applied in 1950, by Galen H. Sayler. Writing inks.
  • Year 1948, n° US-2645206, applied in 1953, by David F. Mohns. Writing pen.
  • Year 1948, n° US-2620774, applied in 1952, by James A. Mustard. Fountain pen.
  • Year 1948, n° US-2533082, applied in 1950, by Marlin S. Baker, Robert W. Randolph. Fountain pen cap.
  • Year 1948, n° US-2528328, applied in 1950, by Marlin S. Baker, Robert W. Randolph. Clutch mechanism for mechanical pencils.
  • Year 1948, n° US-2612867, applied in 1952, by Marlin S. Baker, Harlan H. Zodtner. Fountain pen.
  • Year 1948, n° US-2712299, applied in 1955, by Ernst W. Rickmeyer. Fountain pen.
  • Year 1948, n° US-2684052, applied in 1954, by Ernest W. Rickmeyer. Writing instrument.
  • Year 1948, n° US-2702021, applied in 1955, by Ivan D. Tefft. Fountain pen.
  • Year 1949, n° US-2628431, applied in 1953, by Dave Chapman. Fountain pen cleaning device.
  • Year 1950, n° US-2587949, applied in 1952, by Harlan H. Zodtner. Fountain pen.
  • Year 1950, n° US-2648309, applied in 1953, by Floyd E. Bartell. Fountain pen.
  • Year 1951, n° US-2889810, applied in 1959, by Robert W. Randolph. Fountain pen.
  • Year 1951, n° US-2708904, applied in 1955, by Nolan Kent Rhoades. Fountain pen desk set.
  • Year 1952, n° US-2774332, applied in 1956, by Ivan D. Tefft. Fountain pens.
  • Year 1952, n° US-2905148, applied in 1959, by Marlin S. Baker. Fountain pen.
  • Year 1952, n° FR-1076270, applied in 1954, by Nolan Kent Rhoades. Stylographe à plume avec élément capillaire formant remplisseur et réservoir.
  • Year 1952, n° US-2773479, applied in 1956, by Nolan Kent Rhoades. Fountain pen.
  • Year 1952, n° US-D169456, applied in 1953, by Nolan Kent Rhoades. Pocket clip.
  • Year 1952, n° US-2888908, applied in 1959, by Robert W. Randolph. Fountain pen.
  • Year 1952, n° US-2699147, applied in 1955, by Nolan Kent Rhoades. Pen and pocket clip construction.
  • Year 1953, n° US-2724367, applied in 1955, by Frederick R. Wittnebert. Fountain pens.
  • Year 1953, n° US-2726639, applied in 1955, by Frederick R. Wittnebert. Fountain pen.
  • Year 1953, n° US-2782763, applied in 1957, by Harlan H. Zodtner. Fountain pens.
  • Year 1953, n° US-2916013, applied in 1959, by Nolan Kent Rhoades, Marlin S. Baker. Receptacle for receiving and enclosing the writing end of a fountain pen.
  • Year 1954, n° US-2802450, applied in 1957, by Frederick R. Wittnebert. Fountain pens.
  • Year 1954, n° US-2737927, applied in 1956, by Nolan Kent Rhoades. Fountain pen desk sets.
  • Year 1955, n° US-D179425, applied in 1956, by Kenneth S. Parker. Closure cap for a writing instrument.
  • Year 1956, n° US-D179053, applied in 1956, by Marlin S. Baker. Fountain pen.
  • Year 1956, n° US-2871823, applied in 1959, by Marlin S. Baker. Fountain pen.
  • Year 1957, n° US-2979030, applied in 1961, by William J. Harrington. Writing instruments.
  • Year 1957, n° US-D185824, applied in 1959, by Warren B. Armstrong, Donald D. Furman. Finger grip for a writing instrument or the like.
  • Year 1958, n° US-D191555, applied in 1961, by Kenneth Parker. Fountain pen.
  • Year 1958, n° US-D185581, applied in 1959, by Clemens A. Sonntag, Lauren O. Main. Fountain pen nib.
  • Year 1959, n° US-2935044, applied in 1960, by Frederick R. Wittnebert et al. Fountain pen.
  • Year 1959, n° US-3087464, applied in 1963, by Frederick R. Wittnebert, Clemens A. Sonntag. Modular fountain pen.
  • Year 1959, n° US-D188637, applied in 1960, by Homer T. Green. Writing instrument.
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