Granted Patent
Utility
US 4,563,406 · App. 06/630,333
Light-sensitive silver halide photographic material with white layer and colorant containing layer
Inventors:
Keiji Ohbayashi, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Jul 12, 1984
Inventors
Keiji Ohbayashi
Kaoru Onodera
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.