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All Patents in class 261/103
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
839,617Dec. 25, 1906S.S. MortonCooler for Explosive Enginescooling apparatus
1,750,047Mar. 11, 1930G.A. MetzgerAir-cooling apparatus
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