| All Patents in class 81/65.4 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 404,781 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench |
 | 404,789 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench |
 | 508,920 | Nov. 21, 1893 | L. Dahlstrom | Pipe Wrench |
 | 521,267 | Jun. 12, 1894 | W. King | Pipe Wrench |
 | 541,166 | Jun. 18, 1895 | E.S. Hunter | Chain Pipe Wrench |
 | 542,416 | Jul. 09, 1895 | L.L. Latter | Pipe Wrench |
 | 573,702 | Dec. 22, 1896 | F. Colman, J. Richard | Wrench |
 | 579,053 | Mar. 16, 1897 | W.H. Furbee, T. Barrett | Pipe Wrench |
 | 587,916 | Aug. 10, 1897 | J. Bell | Pipe Wrench |
 | 642,797 | Feb. 06, 1900 | J.O. Lawson | Pipe Wrench |
