Granted Patent
Utility
US 4,650,748 · App. 06/812,728
Heat-developable color photo-sensitive material
Inventors:
Tawara Komamura, Hidenobu Ohya
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Dec 23, 1985
Inventors
Tawara Komamura
Hidenobu Ohya
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.