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All Patents in class 277/522
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE254Jan. 10, 1854C.W. Noyes, T.W. AllenPiston-Rod Packingpiston ring and packing
RE255Jan. 10, 1854J. Judson, A. JudsonImproved governor-valve for steam-enginessteam engine governors
1,151,776Aug. 31, 1915J.L. FullerValveindustrial valves
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