Granted Patent
Utility
US 4,772,542 · App. 07/097,283
Silver halide photographic material
Inventor:
Yoshihiro Haga
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Sep 11, 1987
Inventor
Yoshihiro Haga
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.