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| All Patents in class 318/774 | |||||
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| Number | Date | Patentee | Title | Type | |
| 487,796 | Dec. 13, 1892 | N. Tesla | System of electrical transmission of power | ||
| 660,909 | Oct. 30, 1900 | B.G. Lamme | Electric motor | induction motors | |
| 1,116,424 | Nov. 10, 1914 | R.E. Hellmund | Induction-motor | induction motors | |
| 1,122,491 | Dec. 29, 1914 | V.A. Fynn | Alternating-current motor | electric motors | |