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| Patents for Fred R. Kunkel | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,115,440 | Oct. 27, 1914 | F.R. Kunkel | Dynamo-electric machine | electric motors | |
| 1,123,319 | Jan. 05, 1915 | F.R. Kunkel | Dynamo-electric machine | induction motors | |