Granted Patent
Utility
US 4,407,940 · App. 06/408,487
Silver halide color photographic material
Inventors:
Shinichi Nakamura, Takashi Kadowaki, Mitsuhiro Okumura, Syun Takada
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 16, 1982
Inventors
Shinichi Nakamura
Takashi Kadowaki
Mitsuhiro Okumura
Syun Takada
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.