Granted Patent
Utility
US 5,682,213 · App. 08/269,725
Optical illuminator for liquid crystal displays
Inventor:
Lawrence E. Schmutz
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Jul 1, 1994
Inventor
Lawrence E. Schmutz
Assignee (at issue)
Adaptive Optics Associates, 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.