ENERGY CONSERVING VENTILATION
Mark Identification

ENERGY CONSERVING VENTILATION

Serial Number

73108497

Filing Date

Dec 3, 1976

Registration Date

Apr 29, 1980

Trademark by

COMBUSTION RESEARCH CORPORATION

Classification Information

VENTILATION AND AIR CONDITIONING SYSTEMS HAVING THERMAL ENERGY RECOVERY CAPABILITIES AND COMPONENTS OF SUCH SYSTEMS

Environmental Control Apparatus