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