| All Patents in class 81/69 |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench | chain and strap wrenches |
| 375,155 | Dec. 20, 1887 | J.M. Haynes | Wrench | chain and strap wrenches |
| 406,662 | Jul. 09, 1889 | J.D. Moran | Chain Wrench | chain and strap wrenches |
| 464,167 | Dec. 01, 1891 | A.C. Whittier | Chain Wrench | chain and strap wrenches |
| 480,140 | Aug. 02, 1892 | J.F. Sauerman | Chain Pipe Wrench | chain and strap wrenches |
| 483,785 | Oct. 04, 1892 | G.S. Hilts | Pipe Wrench | chain and strap wrenches |
| 599,252 | Feb. 15, 1898 | W.M. Powell, Jr. | Pipe Tongs | chain and strap wrenches |
| 599,673 | Feb. 22, 1898 | B. Ross | Pipe Wrench | chain and strap wrenches |
| 602,229 | Apr. 12, 1898 | T.M. Righter, G. Jeffryes | Pipe Wrench | chain and strap wrenches |
| 621,293 | Mar. 14, 1899 | G.F. Crass | Chain Pipe Wrench | chain and strap wrenches |
| 633,709 | Sep. 26, 1899 | W. Vanderman | Pipe Wrench | chain and strap wrenches |
| 636,561 | Nov. 07, 1899 | B. Ross | Wrench | chain and strap wrenches |
| 776,411 | Nov. 29, 1904 | G.W. Miller | Pipe Wrench | chain and strap wrenches |
| 802,187 | Oct. 17, 1905 | G.M. Gealy | Pipe Wrench | chain and strap wrenches |
| 818,025 | Apr. 17, 1906 | E.A. Hardison | Wrench | chain and strap wrenches |
