Granted Patent
Utility
US 5,645,023 · App. 08/629,161
Valve train for an internal combustion engine
Inventor:
Jose F. Regueiro
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Apr 8, 1996
Inventor
Jose F. Regueiro
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.