| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Louis B. Hanchett | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 908,462 | Jan. 05, 1909 | J.P. Hedstrom | Oscillating mechanism for lap-grinding machines | ||
 | 953,692 | Apr. 05, 1910 | J.P. Hedstrom | Retoothing-machine | |
 | 984,669 | Feb. 21, 1911 | J.P. Hedstrom | Feed-finger for saw-sharpening machines | |