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| All Patents in class 310/216.004 | |||||
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| Number | Date | Patentee | Title | Type | |
| 336,636 | Feb. 23, 1886 | J.M. Léscuyer | Dynamo Electric Machine | motor commutators | |
| 479,118 | Jul. 19, 1892 | R. Eickemeyer | Dynamo-electric machine | ||
| 1,467,938 | Sep. 11, 1923 | J.T. Janette | Fastener for securing disks on shafts | electric motor making | |
| 2,012,021 | Aug. 20, 1935 | E.W. Petersen | Method of Forming Rotors | electric motor making | |