Granted Patent
Utility
US 5,856,840 · App. 08/567,641
Method of manufacturing a replaceable ink supply for an ink-jet printer
Inventors:
John A. Barinaga, Bruce Cowger, Norman E. Pawlowski, Jr.
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Dec 4, 1995
Inventors
John A. Barinaga
Bruce Cowger
Norman E. Pawlowski, Jr.
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.