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All Patents in class 91/39
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
230,611Aug. 03, 1880J.C. ButterfieldStamp-millore processing apparatus
731,872Jun. 23, 1903F.G. EcholsMotor Mechanismindexers and dividers
1,268,270Jun. 04, 1918R.W. NazelFluid-power hammerdrop hammers
2,202,256May 28, 1940O.M. Jensen, F.T. Wruk, T.W. WhitleyHydraulic feed for power driven hack sawspower hacksaws
2,300,047Oct. 27, 1942O.M. Jensen, F.T. Wruk, J.R. McDonaldHydraulically controlled metal hack sawpower hacksaws
2,560,449Jul. 10, 1951V.R. Noll, M. KahrFree piston engine
2,573,368Oct. 30, 1951E.Y. SeborgReciprocatory drive for machine tools
2,660,985Dec. 01, 1953H. ErnstHydraulic Feed Systemhydraulic apparatus
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