73112694
Jan 17, 1977
Jan 30, 1979
ENERGY CONTROL SYSTEMS COMPRISING: MANUAL, SOLID STATE, ELECTRICAL AND ELECTROMECHANICAL CONTROLS FOR REGULATING AND SENSING DEMAND, VOLTAGE, AMPERAGE, SEQUENCE AND INTERVALS OF POWER USE; CIRCUITRY; AND COMPONENTS-NAMELY, TIMERS, DISPLAYS AND REGISTERS, ALARMS, AND PARTS THEREOF
Electrical and Scientific Apparatus