Granted Patent
Utility
US 4,430,424 · App. 06/413,687
Color photographic light-sensitive material
Inventors:
Ken Okauchi, Tatsuhiko Kobayashi
Patented Case
View Patent ↗
Granted: Feb 7, 1984
Filed: Sep 1, 1982
Inventors
Ken Okauchi
Tatsuhiko Kobayashi
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.