Granted Patent
Utility
US 6,715,289 · App. 10/118,446
Turbo-on-demand engine with cylinder deactivation
Inventors:
Christopher H. Mader, Ko-Jen Wu
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Apr 8, 2002
Inventors
Christopher H. Mader
Ko-Jen Wu
Assignee (at issue)
General Motors 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.