All Patents of Type: screwdriver mechanisms |
Patents 1 -
15
of 213
|
Number | Date | Patentee | Title | Type |
8,174X | Apr. 29, 1834 | C. Babbitt | Stock screw drill | hand drills |
19,162 | Jan. 19, 1858 | G.H. Talbot | Ratchet Movement for Screw Drivers | ratcheting screwdrivers |
20,619 | Jun. 22, 1858 | O. Bond | Handle for Screw-Drivers | ratcheting screwdrivers |
57,107 | Aug. 14, 1866 | C. Eversol | Improved Screw Driver | ratcheting screwdrivers |
59,757 | Nov. 20, 1866 | C.W. Bioren | Double-Ratchet Tool-Handle | ratcheting screwdrivers |
70,923 | Nov. 12, 1867 | T.D. Vorhees | Improvement in Screw-Drivers | screwdriver mechanisms |
80,583 | Aug. 04, 1868 | I. Allard | Improvement in screw-drivers | spiral screwdrivers |
80,622 | Aug. 04, 1868 | W.S. Goss | Improvement in Screw-Drivers | ratcheting screwdrivers |
91,634 | Jun. 22, 1869 | W. Hofer | Improvement in screw-driver | spiral screwdrivers |
112,143 | Feb. 28, 1871 | H.L. Hildreth | Improvement in Screw Drivers | ratcheting screwdrivers |
126,716 | May 14, 1872 | J.A. King | Improvement in Screw-Drivers | ratcheting screwdrivers |
128,950 | Jul. 16, 1872 | G.J. Capewell | Devices for Attaching Buttons To Garments | spiral screwdrivers |
133,994 | Dec. 17, 1872 | T.D. Lakin | Improvement in converting motion | spiral screwdrivers |
147,059 | Feb. 03, 1874 | G.P. Loomis | Improvement in Screw Drivers | ratcheting screwdrivers |
149,587 | Apr. 14, 1874 | W.S. Kyle | Improvement in Screwdrivers | ratcheting screwdrivers |