System and method for evaluating changes in the efficiency of an HVAC system | Patent Application Number 12211690
12211690
Not Appealed
Patent NumberUS 08019567 B2
Publication NumberUS 20100070234 A1
Filled DateSep 16, 2008
Priority DateSep 17, 2007
Inventor/ApplicantsJohn Douglas Steinberg
Scott Douglas Hublou
Scott Douglas Hublou
ExaminesKUNDU, SUJOY K
Art Unit2857
Technology Center2800
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