Granted Patent
Utility
US 6,489,631 · App. 09/863,566
Light-emitting matrix array display devices with light sensing elements
Inventors:
Nigel D. Young, John M. Shannon
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: May 23, 2001
Inventors
Nigel D. Young
John M. Shannon
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.