Granted Patent
Utility
US 4,334,878 · App. 06/240,636
Ink jet ink composition
Inventors:
Robert S. Cutler, Michael Thomas Moore
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Mar 5, 1981
Inventors
Robert S. Cutler
Michael Thomas Moore
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.