PROTECTAL ELECTRICAL SAFETY EQUIPMENT PROTECTION CONTROLS, INC. CHICAGO

ELECTRICAL SAFETY EQUIPMENT INCLUDING PARTICULARLY A CONTROL PANEL AND ASSOCIATED APPARATUS COMPRISING COOPERATIVELY INTERCONNECTED ELECTRICAL FLAME OR BURNER SENSING MEANS AND ELECTRONIC SUPERVISING CONTROLS, MOTOR STARTING DEVICES, MOTOR AND POWER CIRCUIT BREAKERS, CONTROL SWITCHES, TRANSFORMERS, AND CIRCUIT CONNECTIONS FOR SUPERVISING THE SAFE AND EFFICIENT OPERATION OF GAS, OIL, AND OTHER FLAMETYPE BURNERS, OVENS, FURNACES, HEAT-TREATING, AND HEAT-OPERATED DEVICES