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| Patents for Reuben F. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 345,998 | Jul. 20, 1886 | R.F. Smith | Gas Engine | gas and gasoline engines | |
| 347,656 | Aug. 17, 1886 | R.F. Smith | Gas Engine | gas and gasoline engines | |
| 377,962 | Feb. 14, 1888 | R.F. Smith | Gas Engine | gas and gasoline engines | |