Granted Patent
Utility
US 5,793,393 · App. 08/692,209
Dual constriction inklet nozzle feed channel
Inventor:
Patrick J. Coven
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Aug 5, 1996
Inventor
Patrick J. Coven
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.