Granted Patent
Utility
US 4,572,657 · App. 06/501,004
Color printer
Inventors:
Tadashi Amano, Yasuaki Sato, Yasuo Ohkoshi
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: Jun 3, 1983
Inventors
Tadashi Amano
Yasuaki Sato
Yasuo Ohkoshi
Assignee (at issue)
Konisiroku Photo Industry Company, 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.