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| Patents for Frederick M. Gilbert | |||||
| Number | Date | Patentee | Title | Type | |
| 713,792 | Nov. 18, 1902 | J.A. Ostenberg | Explosive Engine | ||
| 713,793 | Nov. 18, 1902 | J.A. Ostenberg | Explosive Charge | ||
| 718,511 | Jan. 13, 1903 | J.A. Ostenberg | Explosion Engine | internal combustion engine governors | |