Backlighted trip indicator

Ball valve apparatus having a moisture indicator

Balloon emergency locating device

Balloon signalling system

Balloonsonde launcher

Band frequency indicating system

Bargraph light guide

Battery cap indicator

Battery missing indicator

Beacon for power lines or similar cables and a device for its in

Bearing arrangement and indicating instrument using the same

Belt load indicator

Bendable marker and method of marking

Bendable marker with signage protection feature

Beverage timing method and apparatus

Bible bookmark and trivia game

Bicycle and motor bike warning signal device

Bicycle speed indicator

Bicycle wheel rim with a wear-indicating projection

Bidirectional pipeline pig signaling device