Granted Patent
Utility
US 4,716,086 · App. 06/812,680
Protective overcoat for low emissivity coated article
Inventors:
F. Howard Gillery, Russell C. Criss, James J. Finley
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Dec 23, 1985
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.