Granted Patent
Utility
US 4,770,985 · App. 07/115,649
Silver halide photographic material
Inventors:
Shun Takada, Takashi Kadowaki, Masao Sasaki, Toyoki Nishijima, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Oct 26, 1987
Inventors
Shun Takada
Takashi Kadowaki
Masao Sasaki
Toyoki Nishijima
Kaoru Onodera
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.