Granted Patent
Utility
US 5,572,245 · App. 08/209,082
Protective cover apparatus for an ink-jet pen
Inventor:
Bruce Cowger
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Mar 10, 1994
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.