| All Patents in class 81/161 |
Patents 1 -
10
of 24
      |
| Picture | Number | Date | Patentee | Title |
 | 23,857 | May 03, 1859 | G.B. Phillips | Improvement in Slide-Wrenches for Turning Gas Pipes and Other Round Articles |
 | 65,679 | Jun. 11, 1867 | D.A. Kellogg | Improvement in Monkey-Wrench |
 | 102,390 | Apr. 26, 1870 | G. Macardle, L. Frey | Improvement in Pipe and Bolt-Wrenches |
 | 234,994 | Nov. 30, 1880 | W.H. Lightcap | Wrench |
 | 294,642 | Mar. 04, 1884 | O.A. Lee | Wrench |
 | 364,765 | Jun. 14, 1887 | R.B. Marks | Improvements in Screw-Wrenches |
 | 439,201 | Oct. 28, 1890 | F.L. Smith | Monkey Wrench |
 | 495,577 | Apr. 18, 1893 | J.A. Barker | Wrench |
 | 520,392 | May 22, 1894 | C. Carlson | Wrench |
 | 554,994 | Feb. 18, 1896 | W. Holmes, P.D. Dye | Pipe and Nut Wrench |
