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| All Patents in class 123/90.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 548,772 | Oct. 29, 1895 | J.R. Bridges | Explosive Gas Engine | gas and gasoline engines | |
| 574,723 | Jan. 05, 1897 | E. Fessard | Gas or Oil Engine | gas and gasoline engines | |