Granted Patent
Utility
US 4,840,869 · App. 07/083,879
Light-sensitive composition
Inventors:
Noriyasu Kita, Kiyoshi Goto
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Aug 10, 1987
Inventors
Noriyasu Kita
Kiyoshi Goto
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.