Granted Patent
Utility
US 6,763,802 · App. 10/303,453
Intake manifold valve system
Inventor:
David Brassell
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Nov 25, 2002
Inventor
David Brassell
Assignee (at issue)
Hayes Lemmerz International, Inc.
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.