Granted Patent
Utility
US 4,778,743 · App. 07/043,041
Method for processing light-sensitive silver halide color photographic material using a washing solution substitute
Inventors:
Masao Ishikawa, Shigeharu Koboshi, Masayuki Kurematsu
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Apr 27, 1987
Inventors
Masao Ishikawa
Shigeharu Koboshi
Masayuki Kurematsu
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.