Granted Patent
Utility
US 4,669,864 · App. 06/823,174
Image forming apparatus
Inventors:
Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka, Hiroshi Fuma, Shinobu Soma, Masahiko Itaya, Akihiko Tamura, Kazushi Hayakawa
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Jan 27, 1986
Inventors
Hisashi Shoji
Satoshi Haneda
Seiichiro Hiratsuka
Hiroshi Fuma
Shinobu Soma
Masahiko Itaya
Akihiko Tamura
Kazushi Hayakawa
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.