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| Patents for R. P. Schoyer | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,015,912 | Jan. 30, 1912 | C.W. Starker | Induction-motor winding | |
| 1,156,639 | Oct. 12, 1915 | C.W. Starker | Dynamo-electric machine | ||