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All Patents in class 314/99
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
334,023Jan. 12, 1886J.A. JenneyArc-lamp regulatorelectric arc lamps
663,454Dec. 11, 1900F.W. Martin, F. StewartElectric-arc lampelectric arc lamps
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