Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Battery operated luminaire with emergency switching means

Battery operated luminaire with emergency switching means

US Patent 4317162 · Granted Feb 23, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lead acid battery with self-registering grid complement and methods of making an1985
Utility handlamp and charging component means therefor1984
Safety lamp apparatus including means for preventing accidental breakage of a bu1984
Luminaire apparatus with multiple light sources including method and means for s1983
Methods and apparatus for controlling reflected light1983
Tubular positive electrode means for use in lead-acid storage batteries includin1982
Luminaire apparatus including expansible reflector means and method of reflectin1982
Method and apparatus for controlling reflected energy including dual light trans1982
Storage battery construction including bonded plate assembly and methods of maki1981
Method of making storage batteries of the lead-acid class1981
Method and apparatus for controlling radiant energy1981
Luminaire apparatus with multiple light sources and methods of operating same1980