| All Patents in class 81/422 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 119,838 | Oct. 10, 1871 | T. Snyder, D. Frank | Improvements in Pipe Tongs or Wrench |
 | 166,665 | Aug. 10, 1875 | L.O. Veber | Wrench |
 | 174,778 | Mar. 14, 1876 | G.H. Buzzell | Pipe-Tongs |
 | 351,656 | Oct. 26, 1886 | F.C. Sawhill | Wrench |
 | 378,585 | Feb. 28, 1888 | W.L. Gibson | Self-Adjusting Wrench, Pliers or Pinchers |
 | 388,607 | Aug. 28, 1888 | D.B. Whitehill | Improvement in Pipe Tongs |
 | 437,589 | Sep. 30, 1890 | W.L. Gibson | Wrench |
 | 527,132 | Oct. 09, 1894 | G.A. Teel | Fuse Capper |
 | 580,429 | Apr. 13, 1897 | F.E. Snyder | Wrench |
 | 794,249 | Jul. 11, 1905 | K. Peterson | Nut and Pipe Wrench |
