Granted Patent
Utility
US 4,564,590 · App. 06/713,474
Silver halide photographic material
Inventors:
Masao Sasaki, Toyoki Nishijima, Shun Takada, Takashi Kadowaki, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Mar 19, 1985
Inventors
Masao Sasaki
Toyoki Nishijima
Shun Takada
Takashi Kadowaki
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.