Granted Patent
Utility
US 6,830,847 · App. 09/829,710
Zinc/air cell
Inventors:
Karthik Ramaswami, Daniel W. Gibbons, Keith Buckle
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Apr 10, 2001
Inventors
Karthik Ramaswami
Daniel W. Gibbons
Keith Buckle
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.