Granted Patent
Utility
US 4,265,728 · App. 05/957,474
Method and electrode with manganese dioxide coating
Inventors:
Mary R. Suchanski, Jeries I. Bishara
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Nov 3, 1978
Inventors
Mary R. Suchanski
Jeries I. Bishara
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.