Granted Patent
Utility
US 4,929,963 · App. 07/240,786
Ink delivery system for inkjet printer
Inventor:
Leonard Balazar
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Sep 2, 1988
Inventor
Leonard Balazar
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.