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| All Patents in class 318/766 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,213,618 | Jan. 23, 1917 | V.A. Fynn | Alternating-current motor | electric motors | |
| 2,959,721 | Nov. 08, 1960 | O.I. Butler, T.H. Barton, H. Sterling | Multi-Phase Induction Motors | induction motors | |