Granted Patent
Utility
US 5,083,120 · App. 07/484,388
Flat panel display utilizing leaky lightguides
Inventor:
Terence J. Nelson
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Feb 23, 1990
Inventor
Terence J. Nelson
Assignee (at issue)
Bell Communications Research, Inc.
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.