| All Patents in class 81/100 |
Patents 1 -
10
of 65
      |
| Picture | Number | Date | Patentee | Title |
 | 65,111 | May 28, 1867 | J.L. Ordner | Pipe Wrench |
 | 65,678 | Jun. 11, 1867 | G.B. Keeler | Improvement in Wrenches |
 | 111,422 | Jan. 31, 1871 | O.G. Barrett | Pipe Wrench |
 | 189,621 | Apr. 17, 1877 | E.R. Girvin | Pipe-Tongs Or Wrenches |
 | 190,523 | May 08, 1877 | H.I. Cook, C. States | Improved Combined Pipe-Tongs, Wrench and Screw-Driver |
 | 212,468 | Feb. 18, 1879 | S.W. Hudson | Pipe-Wrench |
 | 231,303 | Aug. 17, 1880 | T.P. Franke | Wrench |
 | 238,041 | Feb. 22, 1881 | L. Glynn | Improvements in Pipe and Nut Wrenches |
 | 241,490 | May 17, 1881 | J.T. Hayden | Pipe Wrench |
 | 246,976 | Sep. 13, 1881 | J.F. Phillips | Pipe Wrench |
