Granted Patent
Utility
US 4,680,252 · App. 06/757,518
Silver halide light-sensitive photographic material for radiographic use
Inventors:
Akio Suzuki, Takeo Koitabashi, Masatoshi Iwata, Hisashi Yamaguchi, Syoji Matsuzaka
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Jul 19, 1985
Inventors
Akio Suzuki
Takeo Koitabashi
Masatoshi Iwata
Hisashi Yamaguchi
Syoji Matsuzaka
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.