Granted Patent
Utility
US 6,715,437 · App. 10/350,630
Liquid-cargo loss detection gauge
Inventor:
Larry C. Wilkins
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jan 24, 2003
Inventor
Larry C. Wilkins
Assignee (at issue)
Electromechanical Research Laboratories, Inc.
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.