Light emitting diode (l.e.d.) lighting fixtures with emergency back-up and scotopic enhancement
A Standard patent application filed on 10 December 2003 credited to Watts, Phillip C.
;
Bolta, Charles
Details
Application number :
2003296485
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Light emitting diode (l.e.d.) lighting fixtures with emergency back-up and scotopic enhancement