Granted Patent
Utility
US 4,499,179 · App. 06/468,398
Silver halide photographic light-sensitive material
Inventors:
Hideo Ota, Kiyotoshi Yamashita
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Feb 22, 1983
Inventors
Hideo Ota
Kiyotoshi Yamashita
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.