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Stevenson; John T.
Skippack, PA
No. of patents:

Patent Number Title Of Patent Date Issued
4981113 Deaerator tray for a steam boiler feedwater heater system January 1, 1991
A deaerator tray in the form of a horizontally elongated trough for receiving a quantity of liquid to be deaerated. The trough has a flat bottom having a pair of spaced, elongated sides having upper liquid overflow edges. Guide structure is provided for directing the flow of liquid o

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