| All Patents in class 81/114 |
Patents 1 -
10
of 27
      |
| Picture | Number | Date | Patentee | Title |
 | 111,649 | Feb. 07, 1871 | W.A. Ives | Bit-brace |
 | 184,445 | Nov. 14, 1876 | S.N. Trump, C.N. Trump | Collet chuck |
 | 216,776 | Jun. 24, 1879 | Q.S. Backus | Bit-stock wrenches |
 | 234,517 | Nov. 16, 1880 | Q.S. Backus | Bit-stock |
 | 243,978 | Jul. 05, 1881 | G.S. Rominger | Three-jaw chuck with self-aligning jaws |
 | 254,210 | Feb. 28, 1882 | W.R. Godfrey | Adjustable Bit-Brace Wrench |
 | 307,252 | Oct. 28, 1884 | A.H. Armstrong | Bit-holder |
 | 347,681 | Aug. 17, 1886 | W.H. Bradley | Improved Adjustable Carriage-Wrench |
 | 412,535 | Oct. 08, 1889 | H.N. Parker | Bit holder, brace |
 | 488,691 | Dec. 27, 1892 | A.D. Goodell | Bit-brace |
