Granted Patent
Utility
US 6,667,599 · App. 10/072,827
Power supply apparatuses and methods of supplying electrical energy
Inventors:
Lawrence Stone, John Cummings
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Feb 8, 2002
Inventors
Lawrence Stone
John Cummings
Assignee (at issue)
Valence Technology, Inc.
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.