71562923
Aug 6, 1948
Sep 28, 1954
RELAY BOXES; SWITCH BOXES; RADIO NOISE FILTERS; ELECTRIC POSITIONING TRANSMITTER DRIVES; ELECTRIC SYNCHRONIZING CONTROLS FOR OPERATING A PLURALITY OF ELECTRIC TRANSLATION DEVICES, SUCH AS MOTORS, IN UNISON; ELECTRICALLY MOTIVATED LINEAR AND TORQUE ACTUATORS HAVING LIMITED OPERATING MOVEMENTS IN OPPOSITE DIRECTIONS; ELECTRICALLY MOTIVATED POWER AMPLIFIER UNITS OPERABLE USUALLY THROUGH SEVERAL REVOLUTIONS OF OPERATION; ELECTRIC MOTORS; AND ELECTRICALLY ACTUATED VALVES
Housewares and Glass