| All Patents in class 81/112 |
Patents 1 -
10
of 65
      |
| Picture | Number | Date | Patentee | Title |
 | 24,807 | Jul. 19, 1859 | L.S. Hoyt, B.B. Beers | Wimble or Bit-Stock Wrench |
 | 88,836 | Apr. 13, 1869 | J.S. Birch | Improvement in Self-Adjusting Watch-Keys |
 | 102,753 | May 10, 1870 | J.S. Birch | Improvement in Adjustable Watch-Keys |
 | 110,789 | Jan. 03, 1871 | J.F. Robertson | Wrench |
 | 136,907 | Mar. 18, 1873 | S.B. Dexter | Combined Adjustable Pincers and Grappling Tongs |
 | 145,710 | Dec. 16, 1873 | S.J. Wright | Brace-wrench |
 | 181,699 | Aug. 29, 1876 | T. McDonough | Improvement in Wrenches |
 | 183,901 | Oct. 31, 1876 | G.H. Buzzell | Wrench |
 | 203,581 | May 14, 1878 | J.S. Birch | Wrench |
 | 205,400 | Jun. 25, 1878 | C.M. Knowles | Bit-stock |
