Granted Patent
Utility
US 5,646,463 · App. 08/511,197
Synchronization control for interrelated DC voltage/battery polarity switching circuits
Inventor:
Yehoshua Mandelcorn
Patented Case
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Granted: Jul 8, 1997
Filed: Aug 4, 1995
Inventor
Yehoshua Mandelcorn
Assignee (at issue)
LUCENT TECHNOLOGIES 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.