Granted Patent
Utility
US 4,874,020 · App. 07/253,855
System for controlling the release of fuel vapors from a vehicle fuel tank
Inventor:
George H. Bucci
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Oct 5, 1988
Inventor
George H. Bucci
Assignee (at issue)
Whitehead Engineered Products, 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.