Granted Patent
Utility
US 4,786,563 · App. 07/095,807
Protective coating for low emissivity coated articles
Inventors:
F. Howard Gillery, Russell C. Criss, James J. Finley
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Sep 14, 1987
Inventors
F. Howard Gillery
Russell C. Criss
James J. Finley
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.