Automatic flare signal apparatus
Bargraph light guide
Bicycle and motor bike warning signal device
Deterioration indicator and a product having the same
Device for visually setting the spring force of a seat suspensio
Device for warning of impending roof-fall in underground excavat
Display instrument
Displaying measuring instrument
Energy conservation indicator
Fluid pressure indicator
Fluid pressure indicator
Hydrant locator
Indicator for delivery item collection receptacle
Land or water S.O.S. signaling device
Marker
Passive pathway marking system
Railway light signal
Reflector device
Remote activation of a chemiluminescent lightstick