Granted Patent
Utility
US 6,668,645 · App. 10/174,425
Optical fuel level sensor
Inventors:
Daniel A. Gilmour, John R. Forgue
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Jun 18, 2002
Inventors
Daniel A. Gilmour
John R. Forgue
Assignee (at issue)
TI GROUP AUTOMOTIVE SYSTEMS, 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.