Granted Patent
Utility
US 4,907,019 · App. 07/329,055
Ink jet cartridges and ink cartridge mounting system
Inventor:
Rodney Stephens
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Mar 27, 1989
Inventor
Rodney Stephens
Assignee (at issue)
Tektronix, Inc.
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.