Granted Patent
Utility
US 4,928,657 · App. 07/318,126
In-tank fuel reservoir with fuel level sensor
Inventor:
Brian Asselin
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Mar 2, 1989
Inventor
Brian Asselin
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.