Granted Patent
Utility
US 4,940,744 · App. 07/171,336
Insolubilizing system for water based inks
Inventors:
Frank J. Tortorici, Jimmy L. Nelson
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Mar 21, 1988
Inventors
Frank J. Tortorici
Jimmy L. Nelson
Assignee (at issue)
EASTMAN KODAK COMPANY
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.