Granted Patent
Utility
US 5,852,946 · App. 08/698,719
Method and apparatus for detecting fluid level
Inventor:
Bruce Cowger
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Aug 15, 1996
Inventor
Bruce Cowger
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.