| All Patents in class 81/32 |
Patents 1 -
10
of 62
      |
| Picture | Number | Date | Patentee | Title |
 | 57,107 | Aug. 14, 1866 | C. Eversol | Improved Screw Driver |
 | 71,463 | Nov. 26, 1867 | E. Davies, R.H. Taunton | Improved tool for drilling metals |
 | 113,680 | Apr. 11, 1871 | J.T. Lynam | Improvement in bit-braces |
 | 139,006 | May 20, 1873 | S.W. Hemenway | Improvement in Auger Handles |
 | 145,524 | Dec. 16, 1873 | W.E. Pereau | Bit-brace |
 | 147,059 | Feb. 03, 1874 | G.P. Loomis | Improvement in Screw Drivers |
 | 167,897 | Sep. 21, 1875 | H.C. Hart | Improvement in ratchet-braces for metal drills |
 | 191,540 | Jun. 05, 1877 | J.T. Matthews | Ratcheting bit-stock with pivoting head |
 | 192,018 | Jun. 12, 1877 | C.B. Rose | Ratchet bit-stock |
 | 200,757 | Feb. 26, 1878 | H.L. Pratt | Improvement in ratchet bit-braces |
