Granted Patent
Utility
US 4,320,155 · App. 06/172,612
Method for coating an article to alternately reflect and absorb solar energy
Inventor:
F. Howard Gillery
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Jul 28, 1980
Inventor
F. Howard Gillery
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.