Granted Patent
Utility
US 6,451,486 · App. 09/561,708
Battery cathode including a mixture of manganese dioxide with carbon particles of expanded and non-expanded graphite
Inventors:
Stuart M. Davis, Qingqi Huang, John S. Miller
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: May 1, 2000
Inventors
Stuart M. Davis
Qingqi Huang
John S. Miller
Assignee (at issue)
The Gillette Company 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.