Granted Patent
Utility
US 5,108,503 · App. 07/686,074
Smear resistant inks for ink-jet printers
Inventors:
Suraj L. Hindagolla, John M. Skene, Charles L. Thierheimer, Jr.
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Apr 16, 1991
Inventors
Suraj L. Hindagolla
John M. Skene
Charles L. Thierheimer, 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.