Granted Patent
Utility
US 4,422,080 · App. 06/331,695
Ink jet printing method and apparatus
Inventor:
Stanley C. Titcomb
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Dec 17, 1981
Inventor
Stanley C. Titcomb
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.