Portable driver emergency device

Portable electronic display device

Portable exercise totalizer

Portable fire detector

Portable intrusion alarm

Portable lap counter and system

Portable lap counter and system

Portable medicine cabinet with timer

Portable remote control signal

Portable remote meter reading apparatus

Portable safety light and audible signal apparatus

Portable signaling device

Portable strobe light system

Portable timer alarm device with ear attachment

Portable timer apparatus, home system and method of timing...

Portable variable intensity signalling flashlight

Portable warning light system

Portable, blinking alarm status and theft deterrent indicator

Portable, gravity-actuated alarm for use with a window or door

Position encoding arrangements