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| Patents for Frédéric Manaut | |||||
| Number | Date | Patentee | Title | Type | |
| 645,458 | Mar. 13, 1900 | F. Manaut, L. Charon | Oil-Distributing Means for Oil-Engines, &c. | oil engines | |
| 661,235 | Nov. 06, 1900 | F. Manaut, L. Charon | Petroleum-Motor | oil engines | |