Granted Patent
Utility
US 6,214,198 · App. 09/217,168
Method of producing high discharge capacity electrolytic manganese dioxide
Inventors:
Terrell N. Andersen, Samuel Faust Burkhardt, Wilmont Frederick Howard, Jr., Richard F. Wohletz, Vahid Kazerooni, Mohammad Reza Moumenzadeh, Amy Wren Unsell
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Dec 21, 1998
Inventors
Terrell N. Andersen
Samuel Faust Burkhardt
Wilmont Frederick Howard, Jr.
Richard F. Wohletz
Vahid Kazerooni
Mohammad Reza Moumenzadeh
Amy Wren Unsell
Assignee (at issue)
Kerr-McGee Chemical, LLC
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.