Granted Patent
Utility
US 4,434,621 · App. 06/299,393
Engine fuel system
Inventor:
Dennis E. Barbeau
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Sep 4, 1981
Inventor
Dennis E. Barbeau
Assignee (at issue)
Teledyne Industries, 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.