Granted Patent
Utility
US 5,318,142 · App. 07/971,740
Hybrid drive system
Inventors:
Bradford Bates, Ronald I. Sims, Rodney John Tabaczynski
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Nov 5, 1992
Inventors
Bradford Bates
Ronald I. Sims
Rodney John Tabaczynski
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.