| All Patents in class 81/145 |
Patents 16 -
30
of 60
      |
| Number | Date | Patentee | Title | Type |
| 452,907 | May 26, 1891 | O. Gustafson, E. Ohnstrano | Wrench | quick adjust wrenches |
| 453,736 | Jun. 09, 1891 | M. Cummins | Rod or Pipe Wrench | pipe wrenches |
| 455,821 | Jul. 14, 1891 | F.F. Schofield | Wrench | quick adjust wrenches |
| 496,190 | Apr. 25, 1893 | H. Cooper | Wrench | nut wrenches |
| 497,618 | May 16, 1893 | F.B. Wells | Wrench | quick adjust wrenches |
| 502,514 | Aug. 01, 1893 | H.V. Gormley | Wrench | screw adjust wrenches |
| 512,159 | Jan. 02, 1894 | H. Cooper | Wrench | quick adjust wrenches |
| 529,632 | Nov. 20, 1894 | W.N. Smith | Wrench | pipe and nut combination wrenches |
| 536,040 | Mar. 19, 1895 | J.C. McQuilkin | Wrench | quick adjust wrenches |
| 548,962 | Oct. 29, 1895 | C.B. Collins | Wrench | quick adjust wrenches |
| 552,106 | Dec. 31, 1895 | J. Dinkelacker, Jr. | Wrench | quick adjust wrenches |
| 562,112 | Jun. 16, 1896 | M.W. Ansterburg | Wrench | quick adjust wrenches |
| 565,318 | Aug. 04, 1896 | T. Wilson | Wrench | quick adjust wrenches |
| 573,999 | Dec. 29, 1896 | J.H. Pierce | Pipe Wrench | pipe wrenches |
| 582,349 | May 11, 1897 | S. Gasser | Wrench | pipe and nut combination wrenches |
