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| All Patents in class 123/24R | |||||
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| Number | Date | Patentee | Title | Type | |
| 123,095 | Jan. 30, 1872 | J.S. Foster | Gunpowder Engine | gunpowder engines | |
| 142,880 | Sep. 16, 1873 | J.M. Welbourn | Explosive Engines | gas and gasoline engines | |
| 480,019 | Aug. 02, 1892 | J. Joyce | Explosive Engine | gas and gasoline engines | |