Assignee

DOWNING JR JAMES E

1 granted patent·178 citations·filing 1980–1980

Technology mixF24D1 F24F1 F25B1 F28D1 Y02B1 Y02E1

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1 record

0187US4375831AGeothermal storage heating and cooling systemDOWNING JR JAMES E·Filed 1980·Granted Mar 8, 1983·178 cites·6 claims

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