Granted Patent
Utility
US 5,151,647 · App. 07/700,748
Enhanced charging system diagnostic method
Inventor:
Douglas C. Frantz
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: May 15, 1991
Inventor
Douglas C. Frantz
Assignee (at issue)
Chrysler Group LLC
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.