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All Patents in class 318/820
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,002,837	Sep. 12, 1911	A.M. Gray	Induction-motor	induction motors
1,256,705	Feb. 19, 1918	J. Lebovici	Induction-motor	induction motors
1,522,637	Jan. 13, 1925	J. Lebovici	Induction motor	induction motors

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