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All Patents in class 200/83R
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
668,954Feb. 26, 1901C.E. DawsonExplosion Enginecooling apparatus
1,926,706Sep. 12, 1933E.J. Dillman, L.W. EgglestonControl Deviceindustrial control apparatus
1,994,988Mar. 19, 1935L.W. EgglestonControl Devicepressure regulators
2,143,533Jan. 10, 1939C.E. Brown, W.D. ArcheaMachine Toolgrinding machines
2,168,307Aug. 08, 1939P.S. Russel, A.G. HannControl Deviceflow controls
2,209,767Jul. 30, 1940E.J. DillmanThermostatthermostats
3,372,622Mar. 12, 1968E.P. Bullard, IIIMultiple Pressure Responsive Control Apparatus
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