Granted Patent
Utility
US 4,331,528 · App. 06/194,071
Coated metal electrode with improved barrier layer
Inventors:
Henri B. Beer, Jean M. Hinden
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Oct 6, 1980
Inventors
Henri B. Beer
Jean M. Hinden
Assignee (at issue)
Diamond Shamrock 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.