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Patents for Cottrell & Babcock
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
21,720Oct. 05, 1858C.B. CottrellImproved machine for planing woodwood planers
24,078May 17, 1859C.B. CottrellImproved feeding device for planing-machineswood planers
51,522Dec. 12, 1865C.A. StillmanImprovement in pumpssteam pumps
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