All Patents in class 81/182 |
Patents 1 -
10
of 58
      |
Picture | Number | Date | Patentee | Title |
 | 78,047 | May 19, 1868 | J.L. Brierly | Improvement in Pipe-Wrench and Cutter |
 | 86,138 | Jan. 26, 1869 | R.A. Copeland | Pipe Wrench & Cutter |
 | 157,082 | Nov. 24, 1874 | H.D. Rouse | Wrenches |
 | 164,368 | Jun. 15, 1875 | C. Fenton | Pipe Tongs and Cutters |
 | 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter |
 | 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench |
 | 195,589 | Sep. 25, 1877 | B. Donohue | Combined Wrench and Pipe-Cutter |
 | 203,774 | May 14, 1878 | H.F. Read | Wrench Attachment |
 | 207,102 | Aug. 20, 1878 | J. Brewer | Pipe-Wrench With Cutter |
 | 217,195 | Jul. 08, 1879 | C.M. Powers, G.W. Bennum | Combination Tool |