| All Patents in class 81/149 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 139,622 | Jun. 03, 1873 | J. Lee, T.J. Smith | Improvments in Monkey Wrenches | quick adjust wrenches |
| 145,953 | Dec. 30, 1873 | J. Lee | Wrenches | quick adjust wrenches |
| 237,594 | Feb. 08, 1881 | H.F. Praeger, C.L. Praeger | Wrench | self-adjust wrenches |
| 241,552 | May 17, 1881 | J. Lee | Wrench | quick adjust wrenches |
| 247,328 | Sep. 20, 1881 | G.T. Finagin | Monkey Wrench | quick adjust wrenches |
| 254,507 | Mar. 07, 1882 | G.P. Schneider | Wrench | quick adjust wrenches |
| 269,072 | Dec. 12, 1882 | J. Lee | Pipe Wrench | quick adjust wrenches |
| 269,073 | Dec. 12, 1882 | J. Lee | Wrench | wedge adjust wrenches |
| 288,713 | Nov. 20, 1883 | J. Lee | Wrench | quick adjust wrenches |
| 296,877 | Apr. 15, 1884 | B. Ross | Wrench | quick adjust wrenches |
| 392,152 | Oct. 30, 1888 | J.V. Gyllenberg | Wrench | pipe and nut combination wrenches |
| 431,655 | Jul. 08, 1890 | J.H. Gibson | Quick-Moving Monkey Wrench | quick adjust wrenches |
| 573,651 | Dec. 22, 1896 | L.L. Hall | Wench | quick adjust wrenches |
