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| All Patents in class 318/743 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,592,492 | Apr. 08, 1952 | J.l. Trant | Reversible motor | electric motors | |
| 2,682,631 | Jun. 29, 1954 | O. Lindfors | Single Phase Motor Control | motor controls | |