All Patents of Type: screwdrivers |
Patents 1 -
15
of 557
|
Number | Date | Patentee | Title | Type |
8,174X | Apr. 29, 1834 | C. Babbitt | Stock screw drill | hand drills |
9,457 | Dec. 07, 1852 | J.W. Switzer | Screwdriver | screwdrivers |
11,122 | Jun. 20, 1854 | G.W. Griswold | Double-Ratchet Tool-Handle | tool holders |
18,206 | Sep. 15, 1857 | D.A. Lamson | Combination Tool for Mechanics and Others | combination tools |
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 |
35,337 | May 20, 1862 | J. Thompson | Screw Driver | screwdrivers |
35,715 | Jun. 24, 1862 | J.A. Thayer | Combination Tool | combination tools |
37,920 | Mar. 17, 1863 | T.J. Penny | Improved Combined Wrench, Scraper and Screwdriver | wrench combination tools |
39,206 | Jul. 14, 1863 | J.A. Ayres | Improved Screwdriver | screwdriver blades |
43,398 | Jul. 05, 1864 | G.H. Gardner | Improved Pocket Knife | combination tools |
45,854 | Jan. 10, 1865 | G. Parr | Improvement in Mode of Manufacturing Screw Drivers | screwdriver blades |
47,102 | Apr. 04, 1865 | D.F. Hartford | Screwdriver and Tweezers | clockmaker |
50,021 | Sep. 19, 1865 | J.S. McCurdy | Improvement in Screw-Drivers | screwdriver blades |
50,328 | Oct. 10, 1865 | W.G. Bonwill | Improvement in Screw-Drivers | screwdriver blades |