Granted Patent
Utility
US 4,581,327 · App. 06/610,391
Silver halide photographic material
Inventors:
Takeshi Habu, Akira Kobayashi
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: May 15, 1984
Inventors
Takeshi Habu
Akira Kobayashi
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.