72105398
Sep 28, 1960
Oct 2, 1962
LIQUIDS WHOSE VISCOSITY INCREASES WHEN EXPOSED TO AN ELECTRIC FIELD AND ADAPTED TO FORM A FORCE COUPLE IN DEVICES SUCH AS ELECTROSTATIC NONMAGNETIC CHUCKS, SOUND TRANSDUCERS, HIGH-SPEED RELAYS, SHOCK ABSORBERS, FLOW CONTROL VALVES, HIGH-SPEED ELECTRIC CLUTCHES AND BRAKES
Housewares and Glass