Granted Patent
Utility
US 4,277,556 · App. 05/824,817
Process for treating light-sensitive silver halide color photographic materials
Inventors:
Sigeharu Koboshi, Isamu Fushiki, Kenro Sakamoto
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Aug 15, 1977
Inventors
Sigeharu Koboshi
Isamu Fushiki
Kenro Sakamoto
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.