Granted Patent
Utility
US 4,694,302 · App. 06/871,346
Reactive ink-jet printing
Inventors:
David E. Hackleman, Norman E. Pawlowski, Jr.
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Jun 6, 1986
Inventors
David E. Hackleman
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.