Fail safe device for incubator air warmer

Fail safe device for infant-support apparatus

Fail safe microwave oven

Fail safe safety control device

Fail safe sterilizing apparatus and a circuit therefor

Fail safe thermal control device

Fail transistor detection and display system for electrical disc

Fail-safe convection oven assembly

Fail-safe device for use in a heating apparatus

Fail-safe machine tool operational setting system with prerecord

Fail-safe relay drive system for cooking apparatus

Fail-safe thermostatically controlled circuit for use in apparat

Fail-safe, resistive-film, immersion heater

Failure protection in temperature control

Fan motor and microwave oven having the same

Fan speed control used in induction cooking apparatus

Fan-heater appliance with adjustable fan speed

Fan-out beams for repairing an open defect

Far infrared tubular porous ceramic heating element

Far-infra-red heater