| All Patents in class 81/33 |
Patents 31 -
45
of 60
      |
| Number | Date | Patentee | Title | Type |
| 456,300 | Jul. 21, 1891 | E. Dawson | Screw-Driver | ratcheting screwdrivers |
| 460,005 | Sep. 22, 1891 | H.C. Fraser | Ratchet-brace | ratchet braces |
| 461,617 | Oct. 20, 1891 | O. Peck | Bit-brace | |
| 488,691 | Dec. 27, 1892 | A.D. Goodell | Bit-brace | ratchet braces |
| 510,046 | Dec. 05, 1893 | H.N. Parker | Pawl-and-ratchet coupling for rotating tools | |
| 569,955 | Oct. 20, 1896 | O.M. Chesney | Combination Tool | combination tools |
| 613,759 | Nov. 08, 1898 | E.F. Cooper | Combination Ratchet Driver | ratchet wrenches |
| 615,649 | Dec. 06, 1898 | J.W. Dawson | Pocket Ratchet-Brace for Screw-Drivers, &c. | ratcheting screwdrivers |
| 810,409 | Jan. 23, 1906 | G.M. Heard | Ratchet-brace | ratchet braces |
| 813,586 | Feb. 27, 1906 | H.P. Richards | Ratchet mechanism for tools | |
| 814,319 | Mar. 06, 1906 | W.A. Peck | Ratchet-movement | ratchet braces |
| 814,528 | Mar. 06, 1906 | Z.T. Furbish | Ratchet Screwdriver | ratcheting screwdrivers |
| 822,714 | Jun. 05, 1906 | J.P. Bartholomew | Ratchet mechanism for tools | |
| 850,347 | Apr. 16, 1907 | H.J. Cook | Ratchet mechanism | |
| 850,566 | Apr. 16, 1907 | H.J. Cook | Ratchet mechanism | |
