| All Patents in class 81/69 |
Patents 1 -
10
of 30
      |
| Picture | Number | Date | Patentee | Title |
 | 241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench |
 | 375,155 | Dec. 20, 1887 | J.M. Haynes | Wrench |
 | 406,662 | Jul. 09, 1889 | J.D. Moran | Chain Wrench |
 | 464,167 | Dec. 01, 1891 | A.C. Whittier | Chain Wrench |
 | 480,140 | Aug. 02, 1892 | J.F. Sauerman | Chain Pipe Wrench |
 | 483,785 | Oct. 04, 1892 | G.S. Hilts | Pipe Wrench |
 | 599,252 | Feb. 15, 1898 | W.M. Powell, Jr. | Pipe Tongs |
 | 599,673 | Feb. 22, 1898 | B. Ross | Pipe Wrench |
 | 602,229 | Apr. 12, 1898 | G. Jeffryes, T.M. Righter | Pipe Wrench |
 | 621,293 | Mar. 14, 1899 | G.F. Crass | Chain Pipe Wrench |
