Granted Patent
Utility
US 4,175,052 · App. 05/892,311
Alkaline-MnO.sub.2 cell having a zinc powder-gel anode containing P-N-V-P or PMA
Inventor:
William E. Norteman, Jr.
Patented Case
View Patent ↗
Granted: Nov 20, 1979
Filed: Mar 31, 1978
Inventor
William E. Norteman, Jr.
Assignee (at issue)
Union Carbide 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.