Granted Patent
Utility
US 4,807,582 · App. 07/049,537
Reserve fuel shut-off valve
Inventor:
Charles H. Tuckey
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: May 14, 1987
Inventor
Charles H. Tuckey
Assignee (at issue)
WALBRO LLC
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.