Granted Patent
Utility
US 4,613,562 · App. 06/721,567
Process of replenishing color developing solution with replenisher compositions
Inventors:
Satoru Kuse, Shigeharu Koboshi, Kazuhiro Kobayashi
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Apr 10, 1985
Inventors
Satoru Kuse
Shigeharu Koboshi
Kazuhiro 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.