Granted Patent
Utility
US 5,467,748 · App. 08/407,523
Internal combustion engine with intake port throttling and exhaust camshaft phase shifting for cylinder deactivation
Inventor:
William Francis Stockhausen
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Mar 16, 1995
Inventor
William Francis Stockhausen
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.