| All Patents in class 81/32 |
Patents 31 -
45
of 62
      |
| Number | Date | Patentee | Title | Type |
| 500,382 | Jun. 27, 1893 | D.M. Fulton | Ratchet brace for drills (double crank gear mechanism) | geared braces |
| 505,611 | Sep. 26, 1893 | H.V. Smith | Ratchet brace | ratchet braces |
| 506,931 | Oct. 17, 1893 | W.P. Nolan | Ratchet-drill brace | ratchet braces |
| 535,682 | Mar. 12, 1895 | J.J. Dillenbeck | Ratchet-brace | ratchet braces |
| 541,130 | Jun. 18, 1895 | W.B. Swan | Ratchet Screwdriver | ratcheting screwdrivers |
| 560,122 | May 12, 1896 | J. Delaney | Ratchet Auger-Handle | auger handles |
| 584,099 | Jun. 08, 1897 | A. Van Lenten | Bit handle (cross) | |
| 587,232 | Jul. 27, 1897 | H.H. Quinby | Ratchet-brace | ratchet braces |
| 614,385 | Nov. 15, 1898 | O. Granum | Drill-brace | |
| 750,183 | Jan. 19, 1904 | Z.T. Furbish | Ratchet Screwdriver | ratcheting screwdrivers |
| 769,282 | Sep. 06, 1904 | W.B. Swan | Ratchet Screw Driver | ratcheting screwdrivers |
| 791,895 | Jun. 06, 1905 | Z.T. Furbish | Ratchet-tool | spiral screwdrivers |
| 812,198 | Feb. 13, 1906 | J. Gessert | Bit-brace (engineer's) | |
| 838,118 | Dec. 11, 1906 | J.H. Karlson | Ratchet-drill | |
| 863,384 | Aug. 13, 1907 | O. Granum | Hand-brace | |
