Ricerca semantica
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- Patent n° GB-729729, of 1955-05-11, requested on 1952-05-01, of Edward Stephen Sears, Swan. Improvements in Nib-Sections for Fountain Pens.
- Patent n° GB-732982, of 1955-07-06, requested on 1951-07-10, of Theodor Kovacs, Günther Wagner - Pelikan. A Fountain Pen.
- Patent n° GB-795902, of 1958-06-04, requested on 1955-04-18, of Theodor Kovacs, Günther Wagner - Pelikan. Improvements in fountain pens.
- Patent n° GB-885374, of 1961-12-28, requested on 1958-01-15, of Herbert Gesaja Ochs, Conway Stewart. Improvements in or relating to Fountain Pens.
- Patent n° GB-927251, of 1963-05-29, requested on 1958-04-23, of Derrick John Silver, Mentmore. Improvements in or relating to fountain pens.
- Patent n° GB-948431, of 1964-02-05, requested on 1958-10-03, of Derrick John Silver, Mentmore. Improvements in or relating to fountain pens.
- Patent n° NL-11429, of 1924-05-16, requested on 1919-11-21, of Theodor Kovacs, Günther Wagner - Pelikan. Fountain pen.
- Patent n° NL-90322, of 1959-03-16, requested on 1951-07-10, of Theodor Kovacs, Günther Wagner - Pelikan. Vulpenhouder.
- Patent n° SE-59425, of 1921-03-30, requested on 1919-11-20, of Theodor Kovacs, Günther Wagner - Pelikan. Reservoarpenna.
- Patent n° US-1046821, of 1912-12-10, requested on 1912-05-03, of William L. MacDonald, Moore Pen Company. Fountain-pen.
- Patent n° US-1080176, of 1913-12-02, requested on 1912-01-09, of Richard H. Stevens, Waterman. Fountain-pen.
- Patent n° US-1151980, of 1915-08-31, requested on 1912-02-17, of De Witt C. Van Valer, A. A. Waterman. Fountain-pen.
- Patent n° US-1201951, of 1916-10-17, requested on 1914-06-03, of William I. Ferris, Waterman. Fountain-pen.
- Patent n° US-1267624, of 1918-05-28, requested on 1917-03-19, of George F. Brandt, Moore Pen Company. Fountain-pen.
- Patent n° US-1284525, of 1918-11-12, requested on 1914-06-10, of Russell T. Wing, The Parker Pen Company. Fountain-pen.
- Patent n° US-1347901, of 1920-07-27, requested on 1919-09-08, of William T. Fitzpatrick, Welty. Retarded delivery device for fountain-pens.
- Patent n° US-1357083, of 1920-10-26, requested on 1916-06-29, of Julius L. Schnell, Schnell. Feed-bar for fountain-pens.
- Patent n° US-1498558, of 1924-06-24, requested on 1923-12-20, of Arthur K. Liddell, Corona Pen Company. Fountain-pen ink-feeding device.
- Patent n° US-1507782, of 1924-09-09, requested on 1920-01-30, of Carl F. Litts, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-1574929, of 1926-03-02, requested on 1922-04-01, of Robert T. Pollock, John Hancock. Fountain pen.
- Patent n° US-1574930, of 1926-03-02, requested on 1924-04-18, of Robert T. Pollock, John Hancock. Fountain pen.
- Patent n° US-1624554, of 1927-04-12, requested on 1925-07-13, of Theodor Kovacs, Günther Wagner - Pelikan. Reservoir Pen.
- Patent n° US-1633111, of 1927-06-21, requested on 1925-07-11, of Theodor Kovacs, Günther Wagner - Pelikan. Reservoir pen.
- Patent n° US-1633896, of 1927-06-28, requested on 1923-07-17, of Theodor Kovacs, Günther Wagner - Pelikan. Fountain pen.
- Patent n° US-1724107, of 1929-09-13, requested on 1923-02-17, of Robert T. Pollock, John Hancock. Fountain pen.
- Patent n° US-1750410, of 1930-03-11, requested on 1928-04-11, of Theodor Kovacs, Günther Wagner - Pelikan. Reservoir pen.
- Patent n° US-1811874, of 1931-06-30, requested on 1929-01-30, of Edward C. Berry, Chilton. Fountain-pen.
- Patent n° US-1818743, of 1931-08-11, requested on 1929-09-26, of Kenneth S. Parker, The Parker Pen Company. Adjustable feed for fountain pens.
- Patent n° US-1853731, of 1932-04-12, requested on 1929-08-19, of Theodor Kovacs, Günther Wagner - Pelikan. Reservoir pen.
- Patent n° US-1882644, of 1932-10-11, requested on 1930-08-16, of Louis H. Juster, Waterman. Feed for fountain pens.
- Patent n° US-1885862, of 1932-11-01, requested on 1931-06-29, of Salomon M. Sager, Sager. Feed bar and pen point.
- Patent n° US-1908123, of 1933-05-09, requested on 1929-07-22, of William R. Cuthbert, W. A. Sheaffer Pen Company. Fountain pen construction.
- Patent n° US-1950364, of 1934-03-06, requested on 1932-09-26, of William E. Moore, The Parker Pen Company. Fountain pen feed.
- Patent n° US-2107150, of 1938-02-01, requested on 1935-09-21, of William F. Heising, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2107162, of 1938-02-01, requested on 1935-09-21, of Henry H. Polk Jr., W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2110578, of 1938-03-08, requested on 1935-09-21, of Aloysius L. Prasch, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2129134, of 1938-09-06, requested on 1936-07-21, of William F. Johnson, Mentmore. Self-filling sac pen.
- Patent n° US-214795, of 1879-04-29, requested on 1879-02-06, of William W. Stewart, Swan. Improvement in fountain-pen holder.
- Patent n° US-2223541, of 1940-12-03, requested on 1939-01-06, of Marlin S. Baker, The Parker Pen Company. Fountain pen.
- Patent n° US-2241865, of 1941-05-13, requested on 1939-12-28, of Lynn P. Martin, Herman K. Stempel, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2255093, of 1941-09-09, requested on 1940-07-01, of George E. Ziegler, Wahl Eversharp. Fountain pen.
- Patent n° US-2282840, of 1942-05-12, requested on 1941-10-03, of Russell T. Wing, The Parker Pen Company. Fountain pen.
- Patent n° US-2283333, of 1942-05-19, requested on 1941-05-22, of Lynn P. Martin, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2292381, of 1942-08-11, requested on 1940-12-24, of Henry C. Klagges, Esterbrook. Fountain pen feed.
- Patent n° US-2303373, of 1942-12-01, requested on 1941-11-03, of Lynn P. Martin, W. A. Sheaffer Pen Company. Fountain pen.
- Patent n° US-2316479, of 1943-04-13, requested on 1942-08-27, of Norman E. Weigel, Wearever. Fountain pen.
- Patent n° US-2328143, of 1943-08-31, requested on 1942-06-27, of Benjamin W. Hanle, Eagle. Fountain pen.
- Patent n° US-2337343, of 1943-12-21, requested on 1941-04-01, of John William Para, Wearever. Pen.