Granted Patent
Utility
US 4,438,194 · App. 06/359,914
Silver halide color photographic photosensitive material
Inventor:
Fumio Hamada
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Mar 19, 1982
Inventor
Fumio Hamada
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.