Granted Patent
Utility
US 5,431,139 · App. 08/172,349
Air induction control system for variable displacement internal combustion engine
Inventors:
Peter John Grutter, Daniel J. Lipinski, Julian A. LoRusso, Donald R. Nowland, Ernest C. Prior, Jerry D. Robichaux
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Dec 23, 1993
Inventors
Peter John Grutter
Daniel J. Lipinski
Julian A. LoRusso
Donald R. Nowland
Ernest C. Prior
Jerry D. Robichaux
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.