| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. W. Hammond | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 94,241 | Aug. 31, 1869 | J.C. Chapman, A. Robes | Improvement in Pipe-Wrench and Pipe-Cutter | pipe wrenches | |
| 235,775 | Dec. 21, 1880 | F.J. Kellogg, M.K. Kellogg | Apparatus for drafting patterns | tailor | |
| 867,189 | Sep. 24, 1907 | H.M. Darling | Gear-cutting mechanism | gear making machines | |