Granted Patent
Utility
US 5,626,983 · App. 08/275,019
Zinc anode for reduced environmental hazard LeClanche cell having improved performance
Inventors:
Ronald J. Ekern, Terry G. Messing
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Jul 13, 1994
Inventors
Ronald J. Ekern
Terry G. Messing
Assignee (at issue)
Rayovac 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.