Granted Patent
Utility
US 4,873,130 · App. 07/235,389
Coating process for the preparation of coherent protective layer
Inventors:
John W. Nicholson, Alan D. Wilson
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Aug 22, 1988
Inventors
John W. Nicholson
Alan D. Wilson
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.