Granted Patent
Utility
US 6,411,272 · App. 09/439,454
Active matrix liquid crystal display devices
Inventor:
Martin John Edwards
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Nov 15, 1999
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.