Granted Patent
Utility
US 6,648,486 · App. 09/837,938
Illumination system and display device
Inventors:
Gerard Harbers, Christoph Gerard August Hoelen
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Apr 19, 2001
Inventors
Gerard Harbers
Christoph Gerard August Hoelen
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.