Granted Patent
Utility
US 6,248,463 · App. 09/313,885
Metal-air cathode can and electrochemical cell made therewith
Inventors:
Robert B. Dopp, John Edward Oltman
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: May 18, 1999
Inventors
Robert B. Dopp
John Edward Oltman
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.