Granted Patent
Utility
US 4,451,559 · App. 06/522,818
Silver halide photosensitive materials for color photography
Inventors:
Ryosuke Sato, Katsunori Kato, Takashi Sasaki, Hiroshi Sugita
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Aug 12, 1983
Inventors
Ryosuke Sato
Katsunori Kato
Takashi Sasaki
Hiroshi Sugita
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.