Granted Patent
Utility
US 5,900,895 · App. 08/566,642
Method for refilling an ink supply for an ink-jet printer
Inventor:
David O. Merrill
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Dec 4, 1995
Inventor
David O. Merrill
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.