Granted Patent
Utility
US 6,732,691 · App. 10/455,677
Engine phaser control system using phaser instability measurement
Inventors:
Jongmin Lee, Timothy M. Nieves, Jeffrey M. Pfeiffer, Amanpal S. Grewal
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jun 5, 2003
Inventors
Jongmin Lee
Timothy M. Nieves
Jeffrey M. Pfeiffer
Amanpal S. Grewal
Assignee (at issue)
Delphi Technologies
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.