| All Patents in class 81/95 |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 632,257 | Sep. 05, 1899 | J.H. Garson | Pipe Wrench | pipe wrenches |
| 661,011 | Oct. 30, 1900 | M.D. Converse | Involute Wrench | alligator wrenches |
| 709,064 | Sep. 16, 1902 | E.A. Ware | Rotary Jaw Pipe Wrench | pipe wrenches |
| 868,954 | Oct. 22, 1907 | W.H. Whittemore | Self-Adjusting Gripping Jaw for Pipe Wrenches | pipe wrenches |
| 1,027,161 | May 21, 1912 | A. Vietor | Gripping Device | |
| 1,169,833 | Feb. 01, 1916 | L.M. Kanavel | Combination Wrench and Wire Stretcher | pipe wrenches |
| 1,186,730 | Jun. 13, 1916 | W.A. Baker, G.A. Karl | Wrench | wrenches |
| 2,599,114 | Jun. 03, 1952 | C.B. Lober | Self-Adjusting Wrench | self-adjust wrenches |
