Granted Patent
Utility
US 4,769,661 · App. 06/947,521
Disk film developing method and apparatus
Inventors:
Syozo Aoki, Shigeharu Koboshi, Masayuki Kurematsu, Masahiko Kon
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Dec 29, 1986
Inventors
Syozo Aoki
Shigeharu Koboshi
Masayuki Kurematsu
Masahiko Kon
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.