Granted Patent
Utility
US 4,976,829 · App. 07/422,522
Coating substrates
Inventors:
John Ellis, John W. Nicholson, Alan D. Wilson
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Oct 17, 1989
Inventors
John Ellis
John W. Nicholson
Alan D. Wilson
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.