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All Patents in class 277/505
Patents 1 - 4 of 4
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
759,330May 10, 1904A.O. Van DervortPackingsteam engine packing
3,669,459Jun. 13, 1972M.M. BassOscillating spindle seal
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