| All Patents in class 81/DIG.8 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 267,379 | Nov. 14, 1882 | A. Thompson | Tool For Inserting Casters | socket wrenches |
| 471,539 | Mar. 29, 1892 | J.S. Everitt | Wrench | cylinder tooth wrenches |
| 601,146 | Mar. 22, 1898 | J.P. Johnson | Wrench | cylinder tooth wrenches |
| 644,676 | Mar. 06, 1900 | H. Lund | Cylinder Wrench | cylinder tooth wrenches |
| 670,091 | Mar. 19, 1901 | O.H. Uvaas | Wrench | |
| 685,282 | Oct. 29, 1901 | J.P. Johnson | Cylinder Wrench | cylinder tooth wrenches |
| 711,422 | Oct. 14, 1902 | C.E. Greenlief | Wrench | cylinder tooth wrenches |
| 728,900 | May 26, 1903 | W.H. George | Roller Ratchet Cylinder Wrench | cylinder tooth wrenches |
| 731,886 | Jun. 23, 1903 | W.H. George | Wrench For Cylinder Teeth | cylinder tooth wrenches |
| 745,281 | Nov. 24, 1903 | J.T. Hume | Wrench for Threshing Machine Cylinders | cylinder tooth wrenches |
| 754,069 | Mar. 08, 1904 | W.R. Johnson | Thresher-Cylinder Nut Wrench | cylinder tooth wrenches |
| 755,293 | Mar. 22, 1904 | W.H. George | Wrench For Cylinder Teeth | cylinder tooth wrenches |
| 807,637 | Dec. 19, 1905 | J.P. Pipkin | Extensible Wrench | |
| 986,112 | Mar. 07, 1911 | J. Wood | Basin Wrench | basin wrenches |
| 1,316,398 | Sep. 16, 1919 | P.G. Steininger | Wrench | wrench handle components |
