Granted Patent
Utility
US 5,408,974 · App. 08/172,359
Cylinder mode selection system for variable displacement internal combustion engine
Inventors:
Daniel J. Lipinski, Julian A. LoRusso, Donald R. Nowland, Jerry D. Robichaux, Gregory B. Schymik, Teik-Khoon Tan
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Dec 23, 1993
Inventors
Daniel J. Lipinski
Julian A. LoRusso
Donald R. Nowland
Jerry D. Robichaux
Gregory B. Schymik
Teik-Khoon Tan
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.