Granted Patent
Utility
US 4,967,136 · App. 07/412,199
Battery equalization circuit for a dual voltage charging system
Inventor:
Scott L. Nofzinger
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Sep 25, 1989
Inventor
Scott L. Nofzinger
Assignee (at issue)
Prestolite Electric Ltd.
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.