Granted Patent
Utility
US 4,618,570 · App. 06/712,342
Silver halide photographic materials
Inventors:
Takashi Kadowaki, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Mar 15, 1985
Inventors
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.