Granted Patent
Utility
US 4,409,322 · App. 06/329,292
Silver halide photosensitive material
Inventors:
Atsuo Ezaki, Takeshi Murakami
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Dec 10, 1981
Inventors
Atsuo Ezaki
Takeshi Murakami
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.