Granted Patent
Utility
US 5,449,147 · App. 08/362,383
Valve spring
Inventors:
J. Gary Pace, Jerry P. Harkey, James R. Klotz, James P. Savoyard
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Dec 12, 1994
Inventors
J. Gary Pace
Jerry P. Harkey
James R. Klotz
James P. Savoyard
Assignee (at issue)
Chrysler Group 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.