| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Robert A. Hammond | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 769,605 | Sep. 06, 1904 | F.E. Walden, R.A. Hammond | Wrench | quick adjust wrenches | |
| 788,716 | May 02, 1905 | F.E. Walden, R.A. Hammond | Worm Gearing | vise mechanisms | |
| 791,263 | May 30, 1905 | F.A. Walden, R.A. Hammond | Wrench | quick adjust wrenches | |