Granted Patent
Utility
US 4,685,332 · App. 06/882,651
Liquid level sensing device
Inventors:
Joseph T. Betterton, Alfred H. Glover
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Jul 7, 1986
Inventors
Joseph T. Betterton
Alfred H. Glover
Assignee (at issue)
Chrysler Motors 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.