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| All Patents in class 310/124 | |||||
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| Number | Date | Patentee | Title | Type | |
| 416,195 | Dec. 03, 1889 | N. Tesla | Electro-Magnetic Motor | ||
| 714,824 | Dec. 02, 1902 | A. Schwartz | Process of Starting Induction Motors | induction motors | |