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AIRFLOW CONTROL IN HEATING AND AIR-CONDITIONING UNITS

11/4,364 | U.S. Patent Application

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Filed Dec. 3, 2004
Examiner Helena Kosanovic
Class 454
Art Group 3749
Patent No. 7,563,159
Case Type Utility
Status Patented Case
Last Updated: 1 month, 2 weeks ago
Date # Transaction