| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Frank G. Johnson | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| AI309 | Dec. 18, 1860 | F.G. Johnson | Composition to prevent depredation of insects | ||
 | 56,059 | Jul. 03, 1866 | F.G. Johnson | Improvement in Drill-Chucks | |
| 362,513 | May 10, 1887 | F.G. Johnson | Molding-machine | ||
 | 1,072,767 | Sep. 09, 1913 | O.A. Nordlund | Wrench | |