| All Patents in class 81/92 |
Patents 16 -
30
of 57
      |
| Number | Date | Patentee | Title | Type |
| 446,220 | Feb. 10, 1891 | P.W. Lownes | Wrench | pipe wrenches |
| 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | pipe and nut combination wrenches |
| 447,952 | Mar. 10, 1891 | T.D. Keith | Wrench | self-adjust wrenches |
| 453,761 | Jun. 09, 1891 | C.W. Le Count | Lathe Dog | lathe dogs |
| 464,899 | Dec. 08, 1891 | G.B. Schaeffer | Pipe or Nut Wrench | quick adjust wrenches |
| 468,648 | Feb. 09, 1892 | T.A. Ferguson | Wrench | self-adjust wrenches |
| 476,629 | Jun. 07, 1892 | P. Gendron | Improvements in Wrenches | bicycle or pocket wrenches |
| 479,698 | Jul. 26, 1892 | H. Bornstein | Wrench | wrenches |
| 491,606 | Feb. 14, 1893 | E.L. Shultz | Wrench | bicycle or pocket wrenches |
| 494,529 | Mar. 28, 1893 | H.F. Jenks | Pipe Wrench | pipe wrenches |
| 515,070 | Feb. 20, 1894 | D.H. Carpenter | Wrench | quick adjust wrenches |
| 517,074 | Mar. 27, 1894 | O.C. Stanley | Wrench | quick adjust wrenches |
| 520,689 | May 29, 1894 | H. Krebs | Wrench | alligator wrenches |
| 521,265 | Jun. 12, 1894 | R. Haberthur | Combined Wrench and Pipe and Thread Cutter | |
| 533,049 | Jan. 29, 1895 | F.A. Carrithers | Wrench | pipe wrenches |
