Granted Patent
Utility
US 6,653,997 · App. 09/790,300
Display device comprising a light guide
Inventors:
Gerardus G. P. Van Gorkom, Pierre Cobben, Johannes Marra
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Feb 21, 2001
Inventors
Gerardus G. P. Van Gorkom
Pierre Cobben
Johannes Marra
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.