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| Patents for Regan Vapor Engine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| RE11,068 | Apr. 01, 1890 | D.S. Regan | Gas Engine | gas and gasoline engines | |
| 448,369 | Mar. 17, 1891 | D.S. Regan | Vapor Engine | gas and gasoline engines | |