Granted Patent
Utility
US 6,145,532 · App. 08/980,901
Fuel tank fill level control and vapor venting valve
Inventors:
Charles H. Tuckey, G. Clarke Oberheide
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 1, 1997
Inventors
Charles H. Tuckey
G. Clarke Oberheide
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.