Granted Patent
Utility
US 5,569,997 · App. 08/131,341
Power supply for volatile memory devices and portable electrical appliance in vehicles
Inventor:
Alvin Berger
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Oct 4, 1993
Inventor
Alvin Berger
Assignee (at issue)
Ford Motor 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.