Granted Patent
Utility
US 4,247,620 · App. 06/049,132
Light-sensitive silver halide photographic material and method for processing the same
Inventors:
Toshio Nagatani, Kazuo Takahashi, Takeshi Habu
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Jun 18, 1979
Inventors
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.