Granted Patent
Utility
US 4,670,703 · App. 06/730,933
Battery charger with three different charging rates
Inventor:
James W. Williams
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: May 6, 1985
Inventor
James W. Williams
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.