Granted Patent
Utility
US 4,629,669 · App. 06/695,488
Method of forming superimposed color images
Inventors:
Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Jan 28, 1985
Inventors
Hisashi Shoji
Satoshi Haneda
Seiichiro Hiratsuka
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.