Granted Patent
Utility
US 4,211,558 · App. 05/908,558
Color printing method
Inventors:
Masanobu Oguchi, Hidehiko Ishikawa, Haruyoshi Okuyama, Yasuo Uchida, Kiyoshi Izawa
Patented Case
View Patent ↗
Granted: Jul 8, 1980
Filed: May 22, 1978
Inventors
Masanobu Oguchi
Hidehiko Ishikawa
Haruyoshi Okuyama
Yasuo Uchida
Kiyoshi Izawa
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.