| All Patents in class 81/68 |
Patents 31 -
45
of 66
      |
| Number | Date | Patentee | Title | Type |
| 514,721 | Feb. 13, 1894 | C.L. Mahnicke | Chain Pipe Wrench | chain and strap wrenches |
| 522,136 | Jun. 26, 1894 | J.H. Vinton | Chain Wrench | chain and strap wrenches |
| 526,047 | Sep. 18, 1894 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 530,547 | Dec. 11, 1894 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 533,548 | Feb. 05, 1895 | S. Moreau | Chain Wrench | chain and strap wrenches |
| 551,399 | Dec. 17, 1895 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 568,697 | Sep. 29, 1896 | W.H. Pickett | Chain Pipe Wrench | chain and strap wrenches |
| 583,947 | Jun. 08, 1897 | R.A. Ryrie | Pipe Wrench | chain and strap wrenches |
| 589,038 | Aug. 31, 1897 | J.K. Sheffy | Pipe Wrench | chain and strap wrenches |
| 601,723 | Apr. 05, 1898 | A. Werts | Pipe Wrench | chain and strap wrenches |
| 612,525 | Oct. 18, 1898 | R.J. Miller | Pipe Wrench | chain and strap wrenches |
| 618,506 | Jan. 31, 1899 | J.H. Hanson | Wrench | quick adjust wrenches |
| 643,520 | Feb. 13, 1900 | C.H. Monroe | Sprocket Wheel Wrench | wrenches |
| 649,092 | May 08, 1900 | J. Willmann | Wrench | pipe wrenches |
| 672,461 | Apr. 23, 1901 | G.E. Stansbury | Pipe Wrench | chain and strap wrenches |
