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Patents for Francis X. Hooper Co., Inc.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,593,190Jul. 20, 1926T.S. Fitchett, E.A. MetzSet-up bar for slotting and chasing machines
2,030,027Feb. 04, 1936H.B. GreenwoodShaft adjusting means
2,030,028Feb. 04, 1936H.B. GreenwoodShaft adjusting means
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