Inventor
GRUBER WILLIAM P
US4 patents
Patents
4 patentsUS4477715AOct 16, 1984
PTC thermistor controlled electric diesel fuel heater
TECHNAR INC53 citations94
US4424422AJan 3, 1984
Thermostatically controlled electric diesel fuel heater
TECHNAR INC34 citations90
US4541731ASep 17, 1985
Temperature sensitive transducer with a resonant bimetal disk
TECHNAR INC10 citations71
US4434414AFeb 28, 1984
Snap-acting thermal relay
TECHNAR INC5 citations60