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| All Patents in class 318/700 | |||||
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| Number | Date | Patentee | Title | Type | |
| 381,969 | May 01, 1888 | N. Tesla | Electro-magnetic motor | induction motors | |
| 382,281 | May 01, 1888 | N. Tesla | Electrical Transmission of Power | ||
| 1,747,198 | Feb. 18, 1930 | H. Weichsel | Synchronous alternating-current motor | AC motors | |