Granted Patent
Utility
US 4,268,620 · App. 05/869,658
Method of processing of light-sensitive silver halide photographic material
Inventors:
Tateshi Iytaka, Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi, Takeshi Habu
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Jan 16, 1978
Inventors
Tateshi Iytaka
Syunji Matsuo
Toshio Nagatani
Kazuo Takahashi
Takeshi Habu
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.