| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. J. Walworth & Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 22,157 | Nov. 30, 1858 | J.R. Brown | Pipe-Tongs | pipe tongs | |
| 42,560 | May 03, 1864 | J.C. Chapman | Ratchet Drill | ratchet drills | |
| 95,744 | Oct. 12, 1869 | D.C. Stillson | Improvement in Pipe-Wrenches | pipe wrenches | |