Ricerca semantica
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- Year 1933, n° GB-414250, applied in 1934, by Andrew Stuart Horn. Improvements in or relating to Writing Points or Nibs.
- 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 1934, n° GB-435065, applied in 1935, by Andrew Stuart Horn. Improvements in or relating to Fountain or Reservoir Pens.
- Year 1935, n° GB-454040, applied in 1936, by Andrew Stuart Horn. Improvements in or relating to Fountain or Reservoir Pens.
- Year 1935, n° GB-476971, applied in 1937, by Vaclav Klimes. Writing implement.
- Year 1944, n° GB-586917, applied in 1947, by John Pinkney Gowland. Improvements in or relating to Pens.
- Year 1951, n° GB-705613, applied in 1954, by Balthasar Götz. Improvements in Self-Filling Ball Point Pens.
- Year 1869, n° US-087661, applied in 1869, by Henry S. Goodspeed. Inprovements in pens.
- Year 1910, n° US-1007619, applied in 1911, by Joseph A. Vogelmann. Self-filling fountain-pen.
- Year 1911, n° US-1020221, applied in 1912, by Joseph Rauchenecker. Fountain-pen.
- Year 1912, n° US-1037660, applied in 1912, by Felix Riesenberg. Fountain-pen.
- Year 1912, n° US-1038068, applied in 1912, by George F. Barrett. Fountain-pen.
- Year 1910, n° US-1050295, applied in 1913, by Felix Riesenberg. Fountain-pen.
- Year 1912, n° US-1059398, applied in 1913, by Philip J. Schreiber. Fountain-pen cap.
- Year 1910, n° US-1070496, applied in 1913, by Leopold Da Costa Levy. Combined calendar and pencil.
- Year 1870, n° US-109257, applied in 1870, by Fridolin Schifferle. Improvement in fountain-pens.
- Year 1906, n° US-1104567, applied in 1914, by Ruther W. Springer. Fountain-pen.
- Year 1915, n° US-1172342, applied in 1916, by Andrew O. Burgess. Writing implement.
- Year 1916, n° US-1195709, applied in 1916, by Lucifer J. Most. Fountain-pen.
- Year 1917, n° US-1250533, applied in 1917, by Levi D. Van Valenburg. Retaining clip for fountain-pens.
- Year 1918, n° US-1279821, applied in 1918, by Clements L. Argon. Fountain pen.
- Year 1916, n° US-1287556, applied in 1918, by Edward G. Woody. Fountain-pen.
- Year 1917, n° US-1289921, applied in 1918, by Sydney M. Rowe. Fountain-pen.
- Year 1916, n° US-1307630, applied in 1919, by William A. Haskins. Fountain-pen.
- Year 1918, n° US-1313056, applied in 1919, by Oswald H. Blackwood, Fred Pearson. Fountain-pen.
- Year 1919, n° US-1317817, applied in 1919, by Robert S. Ogilvy. Fountain-pen.
- Year 1918, n° US-1336119, applied in 1920, by Jörgen Thorvald Andersen. Stylographic fountain-pen.
- Year 1920, n° US-1372608, applied in 1921. Ink-content-indicating fountain-pen.
- Year 1921, n° US-1409616, applied in 1922. Fountain pen.
- Year 1918, n° US-1420275, applied in 1922, by Lucifer J. Most. Pencil.
- Year 1922, n° US-1457875, applied in 1923, by Noel H. Coates. Stylographic fountain pen.
- Year 1922, n° US-1469921, applied in 1923, by John Dutchak. Fountain pen.
- Year 1922, n° US-1473701, applied in 1923, by Byron B. Goldsmith. Inkstand for soluble ink.
- Year 1922, n° US-1479996, applied in 1924, by Gustav A. Lundmark. Combined fountain pen and lead pencil.
- Year 1922, n° US-1486812, applied in 1924, by George Sweetser. Stopper for inkbottles.
- Year 1922, n° US-1486973, applied in 1924, by William J. Lilly. Lettering pen.
- Year 1873, n° US-148999, applied in 1874, by Adolphe Teysonnière. Improvements in inkstands.
- Year 1920, n° US-1495890, applied in 1924, by Joseph F. Day. Combined fountain-pen and pencil.
- Year 1923, n° US-1510613, applied in 1924, by Edward M. Slack. Combined pencil and fountain-pen construction.
- Year 1923, n° US-1527971, applied in 1925, by Arthur Forsell, Robert H. Harmon. Pen.
- Year 1924, n° US-1510613, applied in 1925, by John J. Lynagh. Fountain Pen.
- Year 1925, n° US-1554517, applied in 1925, by Daniel A. O'Neill. Combined pen or pencil clip and envelope opener.
- Year 1925, n° US-1607048, applied in 1926, by Edward Bergquist. Pen-filling mechanism.
- Year 1925, n° US-1608707, applied in 1926, by George L. Middleton. Fountain Attachment for Pens.
- Year 1926, n° US-1647882, applied in 1927, by George H. Osterouth Jr. Fountain-pen.
- Year 1926, n° US-1648241, applied in 1927. Fountain pen.
- Year 1925, n° US-1649142, applied in 1927, by Thor Gustaf Thornblad. Mechanical date indicator.
- Year 1925, n° US-1694945, applied in 1928, by Charles R. Keeran. Mechanical pencil.
- Year 1928, n° US-1702954, applied in 1929, by Benjamin J. Title. Pencil attachment.
- Year 1926, n° US-1706751, applied in 1929, by George A. Risk. Fountain pen.