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| Patents for Frank G. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 56,059 | Jul. 03, 1866 | F.G. Johnson | Improvement in Drill-Chucks | drill chucks | |
| 362,513 | May 10, 1887 | F.G. Johnson | Molding-machine | molders | |
| 1,072,767 | Sep. 09, 1913 | O.A. Nordlund | Wrench | screw adjust wrenches | |