Granted Patent
Utility
US 4,636,439 · App. 06/809,644
Non-glare coated glass
Inventor:
J. Shannon Breininger
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Dec 16, 1985
Inventor
J. Shannon Breininger
Assignee (at issue)
PPG Industries, 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.