| All Patents in class 81/386 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 90,307 | May 18, 1869 | B. Riley | Adjustable Gas-Pipe Tongs | pipe tongs |
| 119,838 | Oct. 10, 1871 | T. Snyder, D. Frank | Improvements in Pipe Tongs or Wrench | pipe wrenches |
| 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench | pipe wrenches |
| 287,378 | Oct. 23, 1883 | H. Herbert | Pipe Tongs and Cutter | pipe tongs |
| 314,572 | Mar. 31, 1885 | C.J. Hirlinger, J. Forshey | Wrench | wrench handle components |
| 562,719 | Jun. 23, 1896 | A.W. Freeman | Pipe Wrench | pipe wrenches |
| 567,204 | Sep. 08, 1896 | T.F. Stone, Jr. | Wire Handling Implement | pliers |
| 597,743 | Jan. 25, 1898 | B.M. Doud, S.D. Robinson | Wrench | pipe wrenches |
| 1,752,425 | Apr. 01, 1930 | A.K. Ersland | Wrench | pliers type wrenches |
