| All Patents in class 81/36 |
Patents 1 -
15
of 47
      |
| Number | Date | Patentee | Title | Type |
| 10,499 | Feb. 07, 1854 | D.H. Chamberlain | Bit or drill stock | brace chucks |
| 13,925 | Dec. 11, 1855 | G.H. Talbot | Auger-Handle | auger handles |
| 18,282 | Sep. 29, 1857 | B.B. Hill | Bit-holder | corner braces |
| 112,842 | Mar. 21, 1871 | G.G. Parker, W.P. Dodge | Improvement in bit and drill-braces | brace chucks |
| 136,830 | Mar. 18, 1873 | G. Gibbs | Improvement in brace-drills | braces |
| 191,815 | Jun. 12, 1877 | D. Powers | Bit-stock with gear-train multiplier | geared braces |
| 250,186 | Nov. 29, 1881 | L.J. Baker | Bit-stock | eggbeater drills |
| 268,284 | Nov. 28, 1882 | J.D. Richardson | Tool-stock | geared braces |
| 282,251 | Jul. 31, 1883 | A.H. Adams | Boring-brace | braces |
| 292,587 | Jan. 29, 1884 | J.D. Richardson | Bit and drill brace | |
| 301,339 | Jul. 01, 1884 | W.R. Clarkson | Bit-brace | |
| 305,054 | Sep. 16, 1884 | E.B. Dake, W.F. Dake | Bit-brace (geared) | geared braces |
| 305,090 | Sep. 16, 1884 | A.J. Maughlin, W.C. Marr | Bit-stock (unusual, geared) | geared braces |
| 317,187 | May 05, 1885 | J.T. Pedersen | Bit-brace | geared braces |
| 356,214 | Jan. 18, 1887 | H. Smiley | Bit-stock | |
