| All Patents in class 81/65.4 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 404,781 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench | chain and strap wrenches |
| 404,789 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench | chain and strap wrenches |
| 508,920 | Nov. 21, 1893 | L. Dahlstrom | Pipe Wrench | chain and strap wrenches |
| 521,267 | Jun. 12, 1894 | W. King | Pipe Wrench | chain and strap wrenches |
| 541,166 | Jun. 18, 1895 | E.S. Hunter | Chain Pipe Wrench | chain and strap wrenches |
| 542,416 | Jul. 09, 1895 | L.L. Latter | Pipe Wrench | chain and strap wrenches |
| 573,702 | Dec. 22, 1896 | F. Colman, J. Richard | Wrench | chain and strap wrenches |
| 579,053 | Mar. 16, 1897 | T. Barrett, W.H. Furbee | Pipe Wrench | chain and strap wrenches |
| 587,916 | Aug. 10, 1897 | J. Bell | Pipe Wrench | chain and strap wrenches |
| 642,797 | Feb. 06, 1900 | J.O. Lawson | Pipe Wrench | chain and strap wrenches |
| 674,399 | May 21, 1901 | E. Childs | Pipe Wrench | chain and strap wrenches |
| 1,004,792 | Oct. 03, 1911 | W.L. Bessolo | Pipe Wrench | pipe wrenches |
| 1,063,153 | May 27, 1913 | L.D. Benedict | Pipe Wrench | chain and strap wrenches |
| 1,316,875 | Sep. 23, 1919 | F.M. Budlong | Wrench | chain and strap wrenches |
| 1,318,047 | Oct. 07, 1919 | W.L. Bessolo | Pipe Wrench | chain and strap wrenches |
