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.