Granted Patent
Utility
US 5,752,409 · App. 08/348,392
Method of accurately gauging fuel in an automotive tank
Inventors:
Raymond Lippmann, Michael J. Schnars, James E. Nelson, Ivan Roy Brouwer
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Dec 2, 1994
Inventors
Raymond Lippmann
Michael J. Schnars
James E. Nelson
Ivan Roy Brouwer
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.