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All Patents in class 340/681
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
286,273	Oct. 09, 1883	P.B. Delany	Electrical Synchronous Movement	synchronous motors
286,274	Oct. 09, 1883	P.B. Delany	Electrical Synchronous Movement	synchronous motors
286,276	Oct. 09, 1883	P.B. Delany	Electrical Synchronous Movement	synchronous motors

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