| All Patents in class 81/406 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 62,137 | Feb. 19, 1867 | J. Johnson | Improvement in Pipe-Tongs | pipe tongs |
| 104,426 | Jun. 21, 1870 | E.B. Clark | Improvement in Wrenches for Screwing and Unscrewing Cylindric Bolts or Tubes | pipe tongs |
| 157,441 | Dec. 08, 1874 | J.D. Davis | Improvement in Pipe-Tongs | pipe tongs |
| 163,642 | May 25, 1875 | G.D. Dean | Improvement in Pipe-Tongs | pipe tongs |
| 169,425 | Nov. 02, 1875 | S.H. Dickerson | Pipe-Tongs | pipe tongs |
| 228,333 | Jun. 01, 1880 | S. Fawcett | Pipe-Tongs | pipe tongs |
| 287,378 | Oct. 23, 1883 | H. Herbert | Pipe Tongs and Cutter | pipe tongs |
| 656,394 | Aug. 21, 1900 | E.L. Bill, H.A. Deiters | Pliers | pliers |
| 1,206,199 | Nov. 28, 1916 | C.W. Blodgie | Hand Tool | pliers |
