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Patents for Abner B. Crowell
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
101,084Mar. 22, 1870W. Bayley, A.B. CrowellImprovement in turbine water-wheelsturbine water wheels
115,681Jun. 06, 1871W. Bayley, A.B. CrowellImprovement in water-wheelsturbine water wheels
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