Granted Patent
Utility
US 4,803,514 · App. 06/874,177
Multi-color image forming method and apparatus
Inventors:
Seiichiro Hiratsuka, Satoshi Haneda, Hisashi Shoji
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Aug 5, 1986
Inventors
Seiichiro Hiratsuka
Satoshi Haneda
Hisashi Shoji
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.