74711955
Aug 7, 1995
Feb 4, 1997
electronic apparatus and computer software for controlling, operating, integrating and managing heating, ventilation and air conditioning systems, and building services systems, namely, sensors, controllers, valves, actuators, fan speed controllers, application computer software for controlling and regulating heating, ventilation and air conditioning equipment for temperature, humidity and environmental control, firmware such as EPROMs, thermal anemometers, data and communications microprocessors, and hand held service computers
Electrical and Scientific Apparatus