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| Patents for Frank Le Roy | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,167,829 | Jan. 11, 1916 | F. Le Roy | Lubricator | steam engine lubricators | |
| 1,323,195 | Nov. 25, 1919 | N.W. Whitbeck, F. Le Roy | Valve Handle | valves | |