Granted Patent
Utility
US 4,173,483 · App. 05/690,042
Silver halide photographic emulsions for use in flash exposure
Inventors:
Teiji Habu, Tomio Nakajima, Eiichi Sakamoto, Noboru Fujimori, Kiyomitsu Mine
Patented Case
View Patent ↗
Granted: Nov 6, 1979
Filed: May 25, 1976
Inventors
Teiji Habu
Tomio Nakajima
Eiichi Sakamoto
Noboru Fujimori
Kiyomitsu Mine
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.