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| Patents for Charles Henry Andrew | |||||
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| Number | Date | Patentee | Title | Type | |
| 301,078 | Jul. 01, 1884 | C.H. Andrew | Gas Motor Engine | gas and gasoline engines | |
| 314,284 | Mar. 24, 1885 | C.H. Andrew | Gas Engine | gas and gasoline engines | |
| 341,538 | May 11, 1886 | H. Williams, C.H. Andrew | Gas Engine | gas and gasoline engines | |