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| Patents for Carl C. Riotte | |||||
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| Number | Date | Patentee | Title | Type | |
| 616,974 | Jan. 03, 1899 | C.C. Riotte | Gas Engine | gas and gasoline engines | |
| 626,394 | Jun. 06, 1899 | C.C. Riotte | Igniter for Gas Engines | ignition systems | |
| 626,395 | Jun. 06, 1899 | C.C. Riotte | Reversing Gear | industrial machine speed and direction changing mechanisms | |