Granted Patent
Utility
US 6,218,041 · App. 09/185,003
Battery unit and a portable battery-operated device including such a battery unit
Inventors:
Fabrice Barbier, Vincent Cachard, Alain De Larminat
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Nov 3, 1998
Inventors
Fabrice Barbier
Vincent Cachard
Alain De Larminat
Assignee (at issue)
U.S. Philips 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.