| All Patents in class 81/36 |
Patents 16 -
30
of 47
      |
| Number | Date | Patentee | Title | Type |
| 361,488 | Apr. 19, 1887 | S.J. Cilley, T.F. Carroll | Bit-stock (with internal gearing) | geared braces |
| 413,203 | Oct. 22, 1889 | L. McMarsh | Bit-stock | |
| 417,564 | Dec. 17, 1889 | A.A. Kent | Bit-stock | hand drills |
| 421,391 | Feb. 18, 1890 | J.H. Dixon | Tool Attachment | hand drills |
| 443,989 | Jan. 06, 1891 | W.S. Davis | Bit-stock | |
| 468,771 | Feb. 09, 1892 | G. Larson | Brace | |
| 484,231 | Oct. 11, 1892 | W.P. Nolan | Ratchet drill brace | ratchet braces |
| 500,382 | Jun. 27, 1893 | D.M. Fulton | Ratchet brace for drills (double crank gear mechanism) | geared braces |
| 506,931 | Oct. 17, 1893 | W.P. Nolan | Ratchet-drill brace | ratchet braces |
| 521,579 | Jun. 19, 1894 | J.F. Alley | Gage brace | |
| 598,382 | Feb. 01, 1898 | J.H. Morrison | Brace (multispeed) | |
| 756,197 | Mar. 29, 1904 | W.H. Lane, A.A. Jarvis | Tool Attachment | |
| 789,536 | May 09, 1905 | A.D. Goodell | Corner-brace | braces |
| 801,566 | Oct. 10, 1905 | P.B. Bloedel, A. Bennett | Brace-drill | geared braces |
| 863,927 | Aug. 20, 1907 | A. Larsen | Bit-brace (geared) | geared braces |
