Granted Patent
Utility
US 4,329,698 · App. 06/218,145
Disposable cartridge for ink drop printer
Inventor:
Normand C. Smith
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Dec 19, 1980
Inventor
Normand C. Smith
Assignee (at issue)
International Business Machines Corporation
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.