Granted Patent
Utility
US 6,679,116 · App. 10/337,810
Liquid level gauge with removable Hall device
Inventor:
Herbert G. Ross, Jr.
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 7, 2003
Inventor
Herbert G. Ross, Jr.
Assignee (at issue)
Rochester Gauges, 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.