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All Patents in class 210/123
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
855,932Jun. 04, 1907W.E. BryantFloat Valve for Drain Cock Plugs lubricators
1,923,135Aug. 22, 1933H.L. AllenMethod of Cleaning and Cooling Gas Scrubbing Water and Apparatus Thereforoil gas apparatus
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