| All Patents in class 81/174 |
Patents 31 -
45
of 54
      |
| Number | Date | Patentee | Title | Type |
| 495,793 | Apr. 18, 1893 | T. Fletcher | Wrench and Cutter | wrench combination tools |
| 521,265 | Jun. 12, 1894 | R. Haberthur | Combined Wrench and Pipe and Thread Cutter | |
| 534,142 | Feb. 12, 1895 | J.S. Copeland | Wrench | screw adjust wrenches |
| 534,453 | Feb. 19, 1895 | T.M. Simcoe | Wrench | pipe and nut combination wrenches |
| 536,165 | Mar. 19, 1895 | A.L. Winge | Wrench | quick adjust wrenches |
| 539,311 | May 14, 1895 | W.R. Sherman | Screw Wrench | screw adjust wrenches |
| 540,567 | Jun. 04, 1895 | R.H. Woodbury | Nut and Pipe Wrench | quick adjust wrenches |
| D27,919 | Nov. 30, 1897 | J.A. Ryan, M.D. Blondel | Frame For Wrenches | wrench components |
| 624,211 | May 02, 1899 | J.N. Hill | Improvements in Wagon-Wrenches | |
| 632,051 | Aug. 29, 1899 | F. Hoerens | Wrench | pipe and nut combination wrenches |
| 640,831 | Jan. 09, 1900 | C.H. Tebbetts | Monkey Wrench | quick adjust wrenches |
| 647,799 | Apr. 17, 1900 | J.L. Boyd | Combination tool | wrench combination tools |
| 767,199 | Aug. 09, 1904 | J.G. Baker | Improved Combination Wrench With Pipe-Cutting Attachment | pipe and nut combination wrenches |
| 829,283 | Aug. 21, 1906 | F. McMillan | Improved Pipe Wrench | pipe wrenches |
| 867,272 | Oct. 01, 1907 | C.T. Holman | Wrench | quick adjust wrenches |
