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Patents for M. B. Goldizen
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
992,350May 16, 1911W.F. GouldBalanced Valvesteam engine valves
1,014,592Jan. 09, 1912W.F. GouldBalanced Valvesteam engine valves
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