Granted Patent
Utility
US 6,011,322 · App. 08/901,326
Apparatus and method for providing power to circuitry implementing two different power sources
Inventors:
David M. Stumfall, Kazutoyo Sekine
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jul 28, 1997
Inventors
David M. Stumfall
Kazutoyo Sekine
Assignees (at issue)
SONY GROUP CORPORATION
Sony Trans Com 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.