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All Patents in class 417/529
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,065XApr. 12, 1828E. DabollFire enginefire engines
6,606XJun. 13, 1831D. SmithLabor saving pumppumps
7,898XDec. 27, 1833J. BeckwithMetallic pumppumps
9,481XMar. 08, 1836L. NewtonDouble force pumppumps
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