76485164
Jan 27, 2003
Sep 26, 2006
Components for heating, ventilating and air conditioning systems, namely, air diffusers for distributing the direction of flow of air, ventilation grilles and heat registers, air valves for air conditioners, variable air volume (VAV) damper valves for air conditioners, thermostatic valves as parts of heating installations, fan powered electrical space and hot water heaters, and electric bypass ventilating exhaust fans
Environmental Control Apparatus