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| Patents for Wilbur F. Dial | |||||
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| Number | Date | Patentee | Title | Type | |
| 508,686 | Nov. 14, 1893 | W.F. Dial | Speed Indicator for Shafting | measurement gauges | |
| 644,295 | Feb. 27, 1900 | W.F. Dial, J.G. Lepper | Vapor or Gas Engine | gas and gasoline engines | |