| All Patents in class 81/177.9 |
Patents 1 -
15
of 44
      |
| Number | Date | Patentee | Title | Type |
| 45,931 | Jan. 17, 1865 | G. Meader | Improvement in Wrenches | nut wrenches |
| 103,268 | May 17, 1870 | W.F. Wolfkiel | Wrench | angle adjustable wrenches |
| 107,539 | Sep. 20, 1870 | F.P. Rand | Improvement in Wrenches | angle adjustable wrenches |
| 169,812 | Nov. 09, 1875 | R. Jack | Wrench | angle adjustable wrenches |
| 308,969 | Dec. 09, 1884 | J. Lussier | Wrench | angle adjustable wrenches |
| 326,868 | Sep. 22, 1885 | E. Harris | Wrench | angle adjustable wrenches |
| 331,627 | Dec. 01, 1885 | F. Farrar | Wrench | angle adjustable wrenches |
| 333,961 | Jan. 05, 1886 | J. Lussier | Improved Combination Rotary Wrench | angle adjustable wrenches |
| 407,740 | Jul. 23, 1889 | H.B. Morrison | Wrench | angle adjustable wrenches |
| 439,336 | Oct. 28, 1890 | G. Zitlow | Combination Tool | combination tools |
| 457,107 | Aug. 04, 1891 | C.W. Cheney | Wrench | screw adjust wrenches |
| 458,337 | Aug. 25, 1891 | G.T. Dodge, O.L. Dodge | Wrench | wrenches |
| 460,427 | Sep. 29, 1891 | A. Cincade | Wrench | angle adjustable wrenches |
| 467,381 | Jan. 19, 1892 | A. Davis, W.F. Parsons | Wrench | angle adjustable wrenches |
| 521,123 | Jun. 05, 1894 | A. McCallum | Wrench | angle adjustable wrenches |
