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Patents for Harvey Hubbell
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
418,411Dec. 31, 1889L.B. HolmesSpeed Indicatormeasurement gauges
650,465May 29, 1900H. HubbellSpeed Indicatormeasurement gauges
1,525,134Feb. 03, 1925H. HubbellTapping machinetapping machines
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