| All Patents in class 81/381 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 98,925 | Jan. 18, 1870 | J. Clark | Pipe Tong | pipe tongs |
| 364,549 | Jun. 07, 1887 | F.C. Sawhill | Improvements in Pipe-Tongs | pipe tongs |
| 457,405 | Aug. 11, 1891 | H.V. Smith | Metal Shears | shears |
| 902,570 | Nov. 03, 1908 | W.P. Ellis | Stretching Pincers | pliers |
| 1,666,467 | Apr. 17, 1928 | J.A. Peterson | Pliers | pliers |
| 2,370,308 | Feb. 27, 1945 | A.G. Hanson | Self-Locking Pliers | pliers |
| 3,175,437 | Mar. 30, 1965 | R. Arakawa | Vise Wrench | wrench handle components |
| 6,012,363 | Jan. 11, 2000 | H. Minkin | Extended Reach Pliers | pliers |
