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Patents for C. W. Van Voorhis
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,423Jun. 11, 1850R. CookHydraulic Apparatus for Producing Blast
13,696Oct. 23, 1855J. BellDovetailing-machinedovetailing machines
29,051Jul. 10, 1860J. BellMethod of operating the cutter in dovetailing-machinesdovetailing machines
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