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| Patents for Perkins B. Bass | |||||
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| Number | Date | Patentee | Title | Type | |
| 838,547 | Dec. 18, 1906 | A. Kimble | Electric motor and method of controlling the same | electric motors | |
| 1,128,005 | Feb. 09, 1915 | J.D. Nies, A. Kimble | Adjustable speed control for electric motors | electric motors | |