Granted Patent
Utility
US 4,828,969 · App. 07/089,917
Silver halide photographic light-sensitive material
Inventors:
Shun Takada, Kaoru Onodera
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Aug 24, 1987
Inventors
Shun Takada
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.