Ricerca semantica

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  • Patent n° US-353053, of 1886-11-23, requested on 1886-04-20, of Dewitt C. Demarest, Eagle. Fountain-pen.
  • Patent n° US-3532436, of 1970-10-06, requested on 1966-12-10, of Fritz König, Montblanc. Feed bar for Fountain Pens.
  • Patent n° US-353399, of 1886-11-30, requested on 1886-08-18, of Francis C. Brown, David W. Beaumel, Caw's. Fountain-pen.
  • Patent n° US-358525, of 1887-03-01, requested on 1886-07-28, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-361493, of 1887-04-19, requested on 1886-11-06, of Dewitt C. Demarest, Eagle. Fountain-pen.
  • Patent n° US-374140, of 1887-11-29, requested on 1887-04-15, of Francis C. Brown, Caw's. Fountain-pen.
  • Patent n° US-378987, of 1888-03-06, requested on 1887-04-27, of William W. Stewart, Swan. Fountain-pen.
  • Patent n° US-408000, of 1889-06-30, requested on 1888-11-23, of Dewitt C. Demarest, Eagle. Fountain-pen.
  • Patent n° US-422474, of 1890-03-04, requested on 1889-09-27, of Otto E. Weidlich, Weidlich. Fountain-pen.
  • Patent n° US-426692, of 1890-04-29, requested on 1889-09-20, of William W. Stewart, Swan. Fountain-pen.
  • Patent n° US-480751, of 1892-08-16, requested on 1890-01-20, of William W. Stewart, Swan. Fountain-pen.
  • Patent n° US-491795, of 1893-02-14, requested on 1890-05-14, of David W. Beaumel, Beaumel. Fountain-pen.
  • Patent n° US-556522, of 1896-03-17, requested on 1895-10-14, of Otto E. Weidlich, Weidlich. Fountain-pen.
  • Patent n° US-559422, of 1896-05-05, requested on 1895-09-27, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-603463, of 1898-05-03, requested on 1897-03-26, of David W. Beaumel, Beaumel. Fountain-pen.
  • Patent n° US-607397, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-607398, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain pen.
  • Patent n° US-607399, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-607400, of 1898-07-12, requested on 1897-09-22, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-607401, of 1898-07-12, requested on 1897-09-22, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-610428, of 1898-09-06, requested on 1898-06-30, of Claes W. Boman, Eagle. Fountain-pen.
  • Patent n° US-625722, of 1899-05-23, requested on 1898-08-24, of William I. Ferris, Waterman. Fountain-pen.
  • Patent n° US-634398, of 1899-10-03, requested on 1899-08-04, of Dewitt C. Demarest, Eagle. Fountain-pen.
  • Patent n° US-648839, of 1900-05-01, requested on 1900-03-10, of Claes W. Boman, Eagle. Fountain-pen.
  • Patent n° US-651735, of 1900-06-12, requested on 1899-10-19, of Paul E. Wirt, Wirt. Fountain pen.
  • Patent n° US-675698, of 1901-06-04, requested on 1900-09-01, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-677008, of 1901-06-25, requested on 1900-10-26, of Walter W. Winton, Eagle. Fountain-pen.
  • Patent n° US-679790, of 1901-08-06, requested on 1901-03-05, of William W. Stewart, Swan. Fountain-pen.
  • Patent n° US-698881, of 1902-04-29, requested on 1896-02-01, of Lewis E. Waterman, Waterman. Fountain-pen.
  • Patent n° US-706140, of 1902-08-05, requested on 1901-07-12, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-706141, of 1902-08-05, requested on 1901-09-14, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-714283, of 1902-11-25, requested on 1901-05-20, of Alonzo T. Cross, Cross. Fountain-pen.
  • Patent n° US-723112, of 1903-03-17, requested on 1902-01-16, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-723113, of 1903-03-17, requested on 1902-04-15, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-724983, of 1903-04-07, requested on 1903-01-12, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-724984, of 1903-04-07, requested on 1903-01-12, of Paul E. Wirt, Wirt. Fountain-pen.
  • Patent n° US-734563, of 1903-07-28, requested on 1902-12-09, of Frank M. Kegrize, Kegrize. Fountain-pen.