Granted Patent
Utility
US 4,786,939 · App. 06/897,651
Image forming apparatus
Inventor:
Satoshi Haneda
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Aug 18, 1986
Inventor
Satoshi Haneda
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.