Granted Patent
Utility
US 4,176,361 · App. 05/685,629
Ink composition for ink jet printing
Inventors:
Hiroh Kawada, Kiyoshi Goto, Yoshio Kurita
Patented Case
View Patent ↗
Granted: Nov 27, 1979
Filed: May 12, 1976
Inventors
Hiroh Kawada
Kiyoshi Goto
Yoshio Kurita
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.