| All Patents in class 81/362 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | 64,676 | May 14, 1867 | W.H. Landbeck | Improvement in Wrenches |
 | 297,640 | Apr. 29, 1884 | F. Schmemann | Wrench |
 | 314,572 | Mar. 31, 1885 | C.J. Hirlinger, J. Forshey | Wrench |
 | 350,935 | Oct. 19, 1886 | J.G. Leslie | Wrench |
 | 411,502 | Sep. 24, 1889 | J.D. Hodge | Improvements in Pipe Tongs |
 | 437,102 | Sep. 23, 1890 | C.W. Dixon | Wrench |
 | 454,893 | Jun. 30, 1891 | J.E. Wakefield | Pipe-Wrench |
 | 495,793 | Apr. 18, 1893 | T. Fletcher | Wrench and Cutter |
 | 539,012 | May 07, 1895 | A.E. Smith | Pipe Wrench |
 | 610,831 | Sep. 13, 1898 | O.F. Roberts | Pipe Wrench |
