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| All Patents in class 318/816 | |||||
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| Number | Title | Classification(s) | |||
| 511,560 | System of Electrical Power Transmission | 318/816 | |||
| 620,966 | Induction Motor | 318/816 | |||
| 1,271,524 | Selective motor | 318/816, 323/363 | |||