Granted Patent
Utility
US 4,689,292 · App. 06/794,641
Silver halide photographic radiography light-sensitive material
Inventors:
Iku Metoki, Akio Suzuki, Eiji Yoshida, Kiyoshi Sato, Masumi Hosaka, Chika Honda
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Nov 4, 1985
Inventors
Iku Metoki
Akio Suzuki
Eiji Yoshida
Kiyoshi Sato
Masumi Hosaka
Chika Honda
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.