Granted Patent
Utility
US 6,694,933 · App. 10/246,670
Lost motion system and method for fixed-time valve actuation
Inventor:
John J. Lester
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Sep 19, 2002
Inventor
John J. Lester
Assignee (at issue)
Diesel Engine Retarders, Inc.
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.