Clip for RFID transponder of a security network

Clock and ambient air condition sensing apparatus

Clock radio gas detector apparatus and method for alerting resid

Clogged filter indicator

Closed loop transmitter control for power amplifier in an...

Closure alarm for containment chambers for dangerous materials

Closure alarm with three-way switch

Closure and package with induction seal and RFID tag

Closure and package with induction seal and RFID tag

Closure cap with audible warning

Closure for a container

Closure for a container

Closure having RFID and foil

Closure operated burglar alarm

Closure security seal with time-recording feature

Closure with passive electronic sensor for tamper detection...

Closure with RFID device

Closure-sensitive signalling device with cantilever switch

CMOS low battery voltage detector

Coal pipe monitor