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SYSTEM AND METHOD FOR EVALUATING CHANGES IN THE EFFICIENCY OF AN HVAC SYSTEM

12/211,690 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 16, 2008
Examiner SUJOY K KUNDU
Class 702
Art Group 2857
Patent No. 8,019,567
Case Type Utility - 702/187000
Status Patented Case
Parent 60/994,011 Expired
Child 13/230,610 Patented
Child 13/861,189 Patented
Child 14/731,221 Patented
Child 15/905,251 Abandoned
Child 16/374,083 Patented
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Last Updated: 2 years, 6 months ago
Date # Transaction