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.