Granted Patent
Utility
US 5,924,402 · App. 08/850,256
Pre-combustion chamber for an internal combustion engine
Inventor:
Jose F. Regueiro
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: May 5, 1997
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.