| All Patents in class 30/190 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 367,786 | Aug. 09, 1887 | E.O. Carvin | Improvement in Pipe-Tongs | pipe wrenches |
| 416,500 | Dec. 03, 1889 | R.J. Robbins | Pipe Wrench | pipe wrenches |
| 511,885 | Jan. 02, 1894 | W.K. Fraley | Hoof-trimmer | hoof trimmers |
| 540,409 | Jun. 04, 1895 | E.J. Stone | Pipe Wrench | pliers type wrenches |
| 1,218,521 | Mar. 06, 1917 | P. Broadbooks | Shears for Shearing Metal | shears |
| 1,319,946 | Oct. 28, 1919 | W.L. Bessolo | Quick Adjustable Wrench | pipe wrenches |
| 1,541,248 | Jun. 09, 1925 | E.R. Carlson | Pliers | pliers |
| 2,327,368 | Aug. 24, 1943 | J. Olson | Toggle Pliers | locking pliers |
| 2,368,906 | Feb. 06, 1945 | A.A. Westman | Wire Cutter | pliers |
| 5,245,755 | Sep. 21, 1993 | B. Krivec | Force-Multiplying Mechanism | |
