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All Patents in class 91/234
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
46,470Feb. 21, 1865W.C. HicksImprovement in steam-enginessteam engines
80,550Aug. 04, 1868D. JoySteam Hammersteam hammers
355,037Dec. 28, 1886E.C. TerryPiston Water Meterwater meters
514,169Feb. 06, 1894N. TeslaReciprocating engine
517,900Apr. 10, 1894N. TeslaSteam-Engine
518,032Apr. 10, 1894W.E. GibbsPercussion Tool
2,260,624Oct. 28, 1941A.S. JohannSheet Metal Shapersheet metal
2,561,577Jul. 24, 1951R.G. KnudsenPneumatic Impact Pullers and the Like
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