Deformation components and documentation system for...

Delayed action alarm device for locks

Delayed offset multi-track OFC sensors and tags

Delayed power interruption alarm

Delivery signal and appliance control system

Delivery signal device for a mailbox

Demodulating module, RFID system utilizing the demodulating...

Deployable identification device

Deposit detector and control device using it

Depository monitoring system in semiconductor storage warehouse

Depth indicating means for a tractor supported tool

Depth monitoring and alert system

Desiccant bag with enclosed EAS tag and security markings

Design structure for security system for inventory

Detachable battery status alarm and battery detector thereof

Detacher system and method having an RFID antenna for a...

Detectable element and sensor

Detectable transponder conduit end cap

Detecting a blocker RFID tag

Detecting a rapid change of a critical physical condition