| All Patents in class 81/DIG.3 |
Patents 1 -
10
of 40
      |
| Picture | Number | Date | Patentee | Title |
 | 117,679 | Aug. 01, 1871 | G.B. Phillips | Improvement in Wrenches |
 | 157,968 | Dec. 22, 1874 | D. McFarland | Wrenches |
 | 249,477 | Nov. 15, 1881 | A. Nelson | Wrench |
 | 300,145 | Jun. 10, 1884 | H. Simon, Jr. | Wrench |
 | 402,186 | Apr. 30, 1889 | I.F. Peck | Wrench |
 | 436,073 | Sep. 09, 1890 | G.E. Clow, B. Clow | Nut Wrench |
 | 459,377 | Sep. 08, 1891 | J.G. Lind | Combined Wrench and Gas Pipe Tongs |
 | 525,435 | Sep. 04, 1894 | M. Wenger | Wrench |
 | 538,841 | May 07, 1895 | V.J. McDonnell | Monkey Wrench |
 | 549,221 | Nov. 05, 1895 | M. Wenger | Wrench |
