Granted Patent
Utility
US 6,498,438 · App. 09/671,908
Current source and display device using the same
Inventor:
Martin John Edwards
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Sep 28, 2000
Inventor
Martin John Edwards
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.