Granted Patent
Utility
US 4,332,869 · App. 06/186,585
Metal-rich iron sulfide cathode material
Inventors:
Nehemiah Margalit, Ashok V. Joshi, Wesley E. Aker, Dennis P. Johnson
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Sep 12, 1980
Inventors
Nehemiah Margalit
Ashok V. Joshi
Wesley E. Aker
Dennis P. Johnson
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.