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Patents for Frank W. Hack
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,181,128Nov. 28, 1939F.W. HackUniversal Machine Toolmetal lathes
2,318,938May 11, 1943F.W. HackUniversal Machine Toolmetal lathes
2,344,039Mar. 14, 1944F.W. HackMultiversal Machine Tool and Boring Head Thereforvertical boring mills
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