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| Patents for Charles Kruse | |||||
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| Number | Date | Patentee | Title | Type | |
| 419,805 | Jan. 21, 1890 | C.W. Weiss | Thermo Dynamic Motor | external combustion engines | |
| 419,806 | Jan. 21, 1890 | C.W. Weiss | Gas Engine | gas and gasoline engines | |