| All Patents in class 81/427 |
Patents 1 -
15
of 48
      |
| Number | Date | Patentee | Title | Type |
| 63,356 | Apr. 02, 1867 | J.N. Arvin | Improved Wrench and Tongs | pliers type wrenches |
| 217,117 | Jul. 01, 1879 | W.B. Killough | Wrench | pliers type wrenches |
| 274,545 | Mar. 27, 1883 | J.H. Hine, F. Armstrong | Wrench | quick adjust wrenches |
| 318,089 | May 19, 1885 | F. Crocker | Pipe Wrench | pipe tongs |
| 338,326 | Mar. 23, 1886 | H.M. Wilson | Pipe Wrench | pipe tongs |
| 367,786 | Aug. 09, 1887 | E.O. Carvin | Improvement in Pipe-Tongs | pipe wrenches |
| 401,513 | Apr. 16, 1889 | C. Pomeroy | Wrench | quick adjust wrenches |
| 419,816 | Jan. 21, 1890 | B.G. Berrien, Jr. | Improved Pipe Wrench | pipe tongs |
| 430,768 | Jun. 24, 1890 | M. Cooper | Pipe Tongs | pipe tongs |
| 434,409 | Aug. 12, 1890 | H.J. De Voe, G.L. Sutton | Wrench | screw adjust wrenches |
| 441,199 | Nov. 25, 1890 | S.D. Shambarger | Wrench | quick adjust wrenches |
| 449,627 | Mar. 31, 1891 | M.H. McNair | Pipe Wrench | pipe wrenches |
| 455,183 | Jun. 30, 1891 | J. Dushane | Wrench | screw adjust wrenches |
| 505,869 | Oct. 03, 1893 | E. Wright | Pipe Wrench | pipe wrenches |
| 518,041 | Apr. 10, 1894 | J.A. Lowe | Wrench | wrench handle components |
