| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for E. W. Whitehouse | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 307,187 | Oct. 28, 1884 | Z.T. Furbish, F.L. Hamlen | Ratchet Screw-Driver | ratcheting screwdrivers | |
| 315,137 | Apr. 07, 1885 | F.L. Hamlen, Z.T. Furbish | Ratchet Screw-Driver | ratcheting screwdrivers | |