Granted Patent
Utility
US 4,965,593 · App. 07/385,642
Print quality of dot printers
Inventor:
Mark S. Hickman
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Jul 27, 1989
Inventor
Mark S. Hickman
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.