| All Patents in class 81/362 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 64,676 | May 14, 1867 | W.H. Landbeck | Improvement in Wrenches | quick adjust wrenches |
| 297,640 | Apr. 29, 1884 | F. Schmemann | Wrench | pipe wrenches |
| 314,572 | Mar. 31, 1885 | C.J. Hirlinger, J. Forshey | Wrench | wrench handle components |
| 350,935 | Oct. 19, 1886 | J.G. Leslie | Wrench | quick adjust wrenches |
| 411,502 | Sep. 24, 1889 | J.D. Hodge | Improvements in Pipe Tongs | pipe tongs |
| 437,102 | Sep. 23, 1890 | C.W. Dixon | Wrench | quick adjust wrenches |
| 454,893 | Jun. 30, 1891 | J.E. Wakefield | Pipe-Wrench | quick adjust wrenches |
| 495,793 | Apr. 18, 1893 | T. Fletcher | Wrench and Cutter | wrench combination tools |
| 539,012 | May 07, 1895 | A.E. Smith | Pipe Wrench | pipe wrenches |
| 610,831 | Sep. 13, 1898 | O.F. Roberts | Pipe Wrench | pipe wrenches |
| 623,188 | Apr. 18, 1899 | J.F. Skersick, J.W. Skersick | Wrench | auxiliary levers on wrenches |
| 750,994 | Feb. 02, 1904 | M. McKinley | Wrench | combination tools |
| 1,002,615 | Sep. 05, 1911 | G.B. Weatherly | Wrench | quick adjust wrenches |
| 1,195,065 | Aug. 15, 1916 | H.W. Morrow | Wrench | pliers type wrenches |
| 1,244,967 | Oct. 30, 1917 | J. Eifel | Wrench | pliers type wrenches |
