Granted Patent
Utility
US 4,331,487 · App. 06/147,004
Conductive coatings for metal substrates
Inventors:
Michael J. Mirra, Albert H. Giles
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: May 6, 1980
Inventors
Michael J. Mirra
Albert H. Giles
Assignee (at issue)
BALL 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.