| All Patents in class 81/405 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 148,889 | Mar. 24, 1874 | A. Kotzum | Pipe-Tongs | pipe tongs |
| 203,593 | May 14, 1878 | J. Corbin | Pipe-Tongs | pipe tongs |
| 211,707 | Jan. 28, 1879 | L.Y. Cowl | Pipe-Tongs | pipe tongs |
| 538,994 | May 07, 1895 | G.P. Woelfel | Pipe Wrench | pipe tongs |
| 562,260 | Jun. 16, 1896 | B.L. Toquet | Pliers or Similar Tool | pliers |
| 791,245 | May 30, 1905 | W.S. Casterlin | Wrench | pliers type wrenches |
| 1,227,372 | May 22, 1917 | Y.M. Bledsoe | Wrench | pliers |
| 2,428,949 | Oct. 14, 1947 | G.K. Hurlbut, V.S. Ward | Wrench With Toggle Actuated Jaw | locking pliers |
| 4,614,001 | Sep. 30, 1986 | M.T. Liou | Multipurpose Plier | pliers |
| 5,020,399 | Jun. 04, 1991 | D.M. Eggert, J.R. Annis | Self-Adjusting Pliers with Curved Handles | pliers |
| 5,904,078 | May 18, 1999 | C.D. Thompson, E.T. Gustafson | Pliers with Flush Joint Bias Spring | pliers |
