Granted Patent
Utility
US 5,635,962 · App. 08/505,989
Capacitive ink level detection sensor
Inventor:
Yale Goldis
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jul 24, 1995
Inventor
Yale Goldis
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.