| All Patents in class 81/94 |
Patents 31 -
45
of 49
      |
| Number | Date | Patentee | Title | Type |
| 504,041 | Aug. 29, 1893 | S.E. Kern | Wrench | alligator wrenches |
| 504,232 | Aug. 29, 1893 | G. McKercher | Wrench | self-adjust wrenches |
| 507,587 | Oct. 31, 1893 | T.C. Lippitt | Nut Wrench | screw adjust wrenches |
| 530,029 | Nov. 27, 1894 | J. Fatkin | Improvement in Pipe Wrenches | wrench jaw components |
| 548,006 | Oct. 15, 1895 | E.M. Winfrey, J.H. McCauley | Pipe Wrench | pipe wrenches |
| 563,049 | Jun. 30, 1896 | D. Metcalfe | Pipe Wrench | pipe wrenches |
| 567,945 | Sep. 15, 1896 | E.L. Keith | Lock Jaw Wrench | quick adjust wrenches |
| 577,250 | Feb. 16, 1897 | C. Grogan | Pipe Wrench | pipe wrenches |
| 580,412 | Apr. 13, 1897 | T.W. Leask, J. Leask | Wrench | quick adjust wrenches |
| 606,572 | Jun. 28, 1898 | J.E. McDonald | Pipe Wrench | pipe wrenches |
| 606,945 | Jul. 05, 1898 | E.J. Gould, W. Smith | Buggy or Wagon Wrench | axle nut wrenches |
| 625,716 | May 23, 1899 | C. Baxter | Spanner | screw adjust wrenches |
| 633,709 | Sep. 26, 1899 | W. Vanderman | Pipe Wrench | chain and strap wrenches |
| 928,167 | Jul. 13, 1909 | G.C. Winslow | Wrench | pipe wrenches |
| 1,105,782 | Aug. 04, 1914 | T. Hinds | Pipe Wrench | pipe wrenches |
