Granted Patent
Utility
US 4,633,403 · App. 06/596,979
Engine valve timing
Inventor:
Thomas W. Asmus
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Apr 5, 1984
Inventor
Thomas W. Asmus
Assignee (at issue)
Chrysler Motors Corporation
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.