Granted Patent
Utility
US 6,557,655 · App. 10/016,203
Hybrid electric vehicle
Inventors:
Stanford R. Ovshinsky, Robert C. Stempel
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Dec 10, 2001
Inventors
Stanford R. Ovshinsky
Robert C. Stempel
Assignee (at issue)
Ovonic Battery Company, 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.