A device for precisely measuring the duration of a time...

A miniature atomic frequency standard

Activatable time-temperature indicator system

Activity timer for meditation

Actual operating time indicator

Add-on unit for automatically adjusting a thermostat

Apparatus and method for measuring very accurately the time...

Apparatus for alerting a patient to take medication

Apparatus for automatically measuring time intervals

Apparatus to measure liquid discharge duration and average...

Appliance timer having an auxiliary switching assembly for...

Arrangement for the precise electronic determination of the...

Automatic parking coupon

Automatic periodically actuated spray dispenser

Automatic resetting timer

Best before detector

Beverage timing method and apparatus

Cam operated timer motor

Cardiopulmonary resuscitation time piece

Chronograph with last pulse capability