Scoring system for athletic events
Scratchable conductive latex document scanner
Screw-in LED light and sound bulb
Security alarm system
Security device
Security glazing and alarm system
Security system employing radio transmitter and receiver
Security system using sensors
Security system with plural sensors connected in parallel across
Segment scanning method for calculator display system
Segmented character generator for use with a television receiver
Selective call receiver having a light channel for providing a v
Selective call receiver having audible and tactile alerts
Selective call receiver theft protection device
Selective calling radio display pager having a message recalling
Selective calling receiver
Selector device
Self timing switch
Self-contained emergency electric signal light and audiblizer
Self-contained fire detector with interconnection circuitry