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| Patents for Issac F. Allman | |||||
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| Number | Date | Patentee | Title | Type | |
| 453,071 | May 26, 1891 | I.F. Allman | Gas Engine | gas and gasoline engines | |
| 556,237 | Mar. 10, 1896 | I.F. Allman | Vapor Engine | ||
| 563,541 | Jul. 07, 1896 | I.F. Allman | Vaporizer for Oil Engines | oil engines | |