Granted Patent
Utility
US 4,427,762 · App. 06/450,047
Method of forming an image with a photographic cuprous halide material
Inventors:
Toshiaki Takahashi, Noboru Itoh
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Dec 15, 1982
Inventors
Toshiaki Takahashi
Noboru Itoh
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.