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All Patents in class 73/537
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
20,894Jul. 13, 1858C.T. PorterGovernor for steam-enginessteam engine governors
RE740Jun. 21, 1859C.T. PorterImprovement in governors for steam-enginessteam engine governors
125,084Mar. 26, 1872N.G. Herreshoff, E. ReynoldsImprovement in Governors for Steam Enginessteam engine governors
174,254Feb. 29, 1876B.W. JohnsonGovernorsteam engine governors
314,353Mar. 24, 1885J.W. ThompsonSteam Engine Governorsteam engine governors
402,892May 07, 1889W. BerwickGovernor for Steam Enginessteam engine governors
451,047Apr. 28, 1891H.J. HartigGovernor for Enginesinternal combustion engine governors
494,746Apr. 04, 1893F. PhillipsGovernor for steam-enginessteam engine governors
504,953Sep. 12, 1893R.H. ThurstonEngine-governorsteam engine governors
582,232May 11, 1897F.M. RitesPressure Engineexternal combustion engines
1,043,825Nov. 12, 1912W.A. GriswoldSpeed and Distance Indicating and Recording Devicespeed and distance indicators
1,919,449Jul. 25, 1933G. OetzelGovernorinternal combustion engine governors
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