U.S. federal trademark · Serial No. 77157918
PHOTO-ELECTRIC SENSOR FOR SENSING MOVEMENT AND INITIATING A RESPONSIVE ELECTRICAL SIGNAL; PROXIMITY SENSORS; TEMPERATURE CONTROLLERS; SOLID STATED RELAY AND SILICON CONTROLLED RECTIFIER MODULE; TIMER; VOLTAGE REGULATOR; ELECTRIC METER AND ELECTRICAL CONTROLLER; ENCODER; ELECTRIC CONTROL BOARD, NAMELY, A CIRCUIT BOARD
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