Granted Patent
Utility
US 4,258,304 · App. 05/943,875
Battery charger for electrical vehicle
Inventor:
Robert F. Bourke
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Sep 19, 1978
Inventor
Robert F. Bourke
Assignee (at issue)
Gould 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.