| All Patents in class 81/140 |
Patents 31 -
45
of 61
      |
| Number | Date | Patentee | Title | Type |
| 498,321 | May 30, 1893 | C. Stolze | Wrench | pipe and nut combination wrenches |
| 501,462 | Jul. 11, 1893 | A.A. Hull | Wrench | quick adjust wrenches |
| 512,007 | Jan. 02, 1894 | F.A. Carrithers | Nut-Wrench | nut wrenches |
| 515,645 | Feb. 27, 1894 | H. Bivin | Monkey-Wrench | quick adjust wrenches |
| 516,661 | Mar. 20, 1894 | O.C. Stanley | Pipe Wrench | pipe wrenches |
| 519,774 | May 15, 1894 | M.C. Randleman, Z.S. Randleman | Improved Adjustable Tongs, Wrench and Vise | combination tools |
| 525,320 | Aug. 28, 1894 | H.M. Glines | Pipe Or Nut Wrench | quick adjust wrenches |
| 529,624 | Nov. 20, 1894 | W.C. Lawrence | Wrench | pipe wrenches |
| 538,601 | Apr. 30, 1895 | G.F. Seymour | Adjustable Pipe Tongs | quick adjust wrenches |
| 542,592 | Jul. 09, 1895 | E.I. Morey | Improvement in Pipe-wrenches | pipe wrenches |
| 544,739 | Aug. 20, 1895 | H.J. Martin | Wrench | quick adjust wrenches |
| 568,365 | Sep. 29, 1896 | R. McMillen | Wrench | quick adjust wrenches |
| 573,806 | Dec. 22, 1896 | T.C. Gates, C.A. Bigelow | Wrench | pipe and nut combination wrenches |
| 576,093 | Feb. 02, 1897 | C.W. Cutter | Nut Wrench | bicycle or pocket wrenches |
| 599,334 | Feb. 22, 1898 | O.D. Kahl, W.A. Humphrey | Wrench | pipe wrenches |
