| All Patents in class 81/134 |
Patents 31 -
45
of 96
      |
| Number | Date | Patentee | Title | Type |
| 380,859 | Apr. 10, 1888 | M.E. Campfield | Combined Nut and Pipe Wrench | quick adjust wrenches |
| 389,549 | Sep. 18, 1888 | E.P. Crosby | Combination Tool | combination tools |
| 396,857 | Jan. 29, 1889 | L.F. Carstensen | Wrench | screw adjust wrenches |
| 404,001 | May 28, 1889 | E.E. Heacock | Combination Tool | combination tools |
| 405,343 | Jun. 18, 1889 | W.T. Chesley | Combined Nut and Pipe Wrench | pipe and nut combination wrenches |
| 429,719 | Jun. 10, 1890 | C.C. Coleman | Pipe Wrench | pipe wrenches |
| 443,216 | Dec. 23, 1890 | J.S. Urban, F.J. Biel | Wrench | quick adjust wrenches |
| 451,022 | Apr. 28, 1891 | J.H. Brown | Wrench | quick adjust wrenches |
| 453,736 | Jun. 09, 1891 | M. Cummins | Rod or Pipe Wrench | pipe wrenches |
| 459,072 | Sep. 08, 1891 | J.W. Sullivan | Nut Wrench | pipe and nut combination wrenches |
| 464,238 | Dec. 01, 1891 | R. Atkin | Pipe Wrench | pipe wrenches |
| 466,195 | Dec. 29, 1891 | C.F. Spery | Pipe Tongs | self-adjust wrenches |
| 468,601 | Feb. 09, 1892 | G.W. Gorsuch | Pipe Wrench and Cutter | pipe wrenches |
| 474,987 | May 17, 1892 | W. Church | Wrench | quick adjust wrenches |
| 483,461 | Sep. 27, 1892 | J.A. Litel | Wrench | combination tools |
