Self-contained vehicle proximity triggered resettable timer and
Simultaneous multidirectional communication apparatus
Single use radio device and method for using the same
Small, battery operated RF transmitter for portable audio device
Small, battery operated RF transmitter for portable audio...
System and method for transmitting signals to an appliance
System and method of providing OOOI times of an aircraft
System and method of providing OOOI times of an aircraft
System for interfacing with an audio player, and method of...
System for using a microphone in a baseball base
Systems and methods for embedding commercial information...
Systems and methods for embedding commercial information...