| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John A. Doane | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,656,347 | Jan. 17, 1928 | J.A. Doane | Sizing Device for Surface Grinders | surface grinders | |
| 1,659,247 | Feb. 14, 1928 | J.A. Doane | Full Automatic Thread Hobbing Machine | thread hobbing and thread milling machines | |