Granted Patent
Utility
US 5,582,932 · App. 08/435,195
Tempered thin-walled cathode can
Inventors:
John Edward Oltman, John David Burns
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: May 5, 1995
Inventors
John Edward Oltman
John David Burns
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.