Portable electronic alarm device

Portable electronic device

Portable electronic device and method of operation therefore

Portable electronic device distress detection system

Portable electronic device physical security apparatus with...

Portable electronic device with an impact-detecting function

Portable electronic device with an impact-detecting function

Portable electronic object for remote information exchange

Portable electronic security key for electronic article...

Portable electrostatic field safety monitor

Portable emergency alert system

Portable excess water usage control and alarm system

Portable field-programmable detection microchip

Portable fire alarm apparatus

Portable gas detection and/or monitoring apparatus for a...

Portable gravity activated alarm device for golf bags and other

Portable ground fault detector

Portable information device

Portable intruder detection system for campsites

Portable intrusion alarm