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| Patents for William A. Pollock | |||||
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| Number | Date | Patentee | Title | Type | |
| 302,478 | Jul. 22, 1884 | C.J. Gaume | Gas Engine | gas and gasoline engines | |
| 374,056 | Nov. 29, 1887 | C.J. Gaume | Gas Engine | gas and gasoline engines | |