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Patents for Arnold S. Lack
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,947,052Feb. 13, 1934A.S. LackPower Transmission Couplingpower transmissions
2,002,668May 28, 1935A.S. LackInternal Combustion Engineinternal combustion engines
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