73612072
Jul 30, 1986
Sep 22, 1987
HEATING AND COOLING CONTROLS FOR BUILDINGS, NAMELY; ELECTRONIC FLOW CONTROLLERS, PNEUMATIC FLOW CONTROLLERS, SYSTEM POWERED FLOW CONTROLLERS, ELECTRONIC ROOM THERMOSTATS, PNEUMATIC ROOM THERMOSTATS, SYSTEM POWERED ROOM THERMOSTATS, ELECTRONIC ACTUATORS, PNEUMATIC ACTUATORS, SYSTEM POWERED ACTUATORS, ELECTRONIC FLOW SENSORS, PNEUMATIC FLOW SENSORS, SYSTEM POWERED FLOW SENSORS, PNEUMATIC TEMPERATURE TRANSMITTERS, ELECTRONIC TEMPERATURE TRANSMITTERS, ELECTRONIC RECEIVER CONTROLLERS, PNEUMATIC RECEIVER CONTROLLERS, PRESSURE-ELECTRIC SWITCHES, SYSTEM POWERED DUCT THERMOSTATS, PNEUMATIC DUCT THERMOSTATS, ELECTRONIC MULTI-FUNCTION RELAYS, SYSTEM POWERED MULTI-FUNCTION RELAYS, PRESSURE TRANSMITTERS, LINEAR AIR VELOCITY TRANSMITTERS, STATIC PRESSURE TRANSMITTERS, PNEUMATIC SWITCHES AND ELECTRONIC SWITCHES
Electrical and Scientific Apparatus