Granted Patent
Utility
US 4,490,667 · App. 06/413,583
System and circuit for charging a rechargeable battery
Inventor:
Ferdinand H. Mullersman
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Aug 31, 1982
Inventor
Ferdinand H. Mullersman
Assignee (at issue)
General Electric Company
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.