Granted Patent
Utility
US 4,796,897 · App. 07/090,843
Head gasket with beam-functioning fire ring
Inventor:
Josefino T. Inciong
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Aug 28, 1987
Inventor
Josefino T. Inciong
Assignee (at issue)
Fel-Pro Incorporated
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.