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All Patents in class 322/41
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
643,087Feb. 06, 1900D. DrawbaughElectric Generator for Sparking Apparatus of Gas Enginesmagnetos
1,143,008Jun. 15, 1915C.E. WilleyAutomobile or train lighting system
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