| All Patents in class 81/97 |
Patents 61 -
75
of 95
      |
| Number | Date | Patentee | Title | Type |
| 501,462 | Jul. 11, 1893 | A.A. Hull | Wrench | quick adjust wrenches |
| 502,870 | Aug. 08, 1893 | W.E. Badger | Wrench | pipe wrenches |
| 508,077 | Nov. 07, 1893 | T.H. Anderson | Combined Pipe Wrench and Cutter | quick adjust wrenches |
| 514,166 | Feb. 06, 1894 | N.E. Smith | Combined Pipe Wrench and Cutter | wrench combination tools |
| 516,661 | Mar. 20, 1894 | O.C. Stanley | Pipe Wrench | pipe wrenches |
| 529,196 | Nov. 13, 1894 | M.H. Riza | Pipe Wrench | pipe wrenches |
| 550,693 | Dec. 03, 1895 | M.H. Riza | Pipe Wrench | pipe wrenches |
| 557,587 | Apr. 07, 1896 | P.M. Knopp | Pipe Wrench | pipe wrenches |
| 588,751 | Aug. 24, 1897 | P.W. Lownes | Pipe Wrench | pipe wrenches |
| 597,611 | Jan. 18, 1898 | F.M. Humphrey, J.S. Haye | Wrench | pipe and nut combination wrenches |
| 599,169 | Feb. 15, 1898 | T. Forstner | Pipe Wrench | pipe wrenches |
| 607,288 | Jul. 12, 1898 | O.C. Stanley | Pipe Wrench | pipe wrenches |
| 612,454 | Oct. 18, 1898 | M. Blackwell | Pipe Wrench | pipe wrenches |
| 632,051 | Aug. 29, 1899 | F. Hoerens | Wrench | pipe and nut combination wrenches |
| 635,806 | Oct. 31, 1899 | D.R. Ramsey | Pipe Wrench | pipe wrenches |
