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

13/861,189 | U.S. Patent Application

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Location ELECTRONIC
Filed April 11, 2013
Examiner PHUONG HUYNH
Class 702
Art Group 2857
Patent No. 9,057,649
Case Type Utility - 702/182000
Status Patented Case
Parent 13/230,610 Patented
Parent 12/211,690 Patented
Parent 60/994,011 Expired
Child 14/731,221 Patented
Child 15/905,251 Abandoned
Child 16/374,083 Patented
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Last Updated: 3 years, 4 months ago
Date # Transaction