Granted Patent
Utility
US 4,444,875 · App. 06/478,902
Light-sensitive silver halide photographic material
Inventors:
Toshiharu Nagashima, Takeshi Habu
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: Mar 25, 1983
Inventors
Toshiharu Nagashima
Takeshi Habu
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.