Granted Patent
Utility
US 5,539,038 · App. 08/316,834
Ink jet ink and process for making same
Inventors:
Boris J. Katsen, Richard S. Himmelwright, Barbara Jones Stewart
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Oct 3, 1994
Inventors
Boris J. Katsen
Richard S. Himmelwright
Barbara Jones Stewart
Assignee (at issue)
Rexham Graphics Incorporated
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.