| All Patents in class 81/29 |
Patents 31 -
44
of 44
      |
| Number | Date | Patentee | Title | Type |
| 737,231 | Aug. 25, 1903 | E.G. Hayne | Ratcheting Tap Borer | tapered reamers |
| 779,079 | Jan. 03, 1905 | G.M. Heard | Knock-down bit-stock | braces |
| 803,669 | Nov. 07, 1905 | H.J. Cook | Bit-brace | |
| 855,292 | May 28, 1907 | R.C. Ellrich | Ratchet Mechanism | ratchet braces |
| 935,047 | Sep. 28, 1909 | J.H. McLaughlin | Ratchet-brace | ratchet braces |
| 949,083 | Feb. 15, 1910 | F. Mossberg | Wrench | nut wrenches |
| 1,334,674 | Mar. 23, 1920 | A. Panitti, Jr. | Right angle Ratchet Screwdriver | ratcheting screwdrivers |
| 1,456,692 | May 29, 1923 | J.M. Hargrave | Ratchet hand tool | screwdriver handles |
| 1,493,353 | May 06, 1924 | G.O. Leopold | Ratchet Screwdriver, &c. | ratcheting screwdrivers |
| 1,562,862 | Nov. 24, 1925 | C. Bodmer | Ratchet screw driver | ratcheting screwdrivers |
| 1,563,178 | Nov. 24, 1925 | G.O. Leopold, T.J. Fegley | Ratchet tool | |
| 1,762,315 | Jun. 10, 1930 | D.B. Swain, H.A. Ryther | Ratchet screw driver | spiral screwdrivers |
| 4,735,120 | Apr. 05, 1988 | A.F. Beugelsdyk | Ratcheting Tool Driver &c. | ratcheting screwdrivers |
| 4,793,222 | Dec. 27, 1988 | A.F. Beugelsdyk | Ratcheting Tool Driver, &c. | ratcheting screwdrivers |
