Granted Patent
Utility
US 4,746,951 · App. 06/926,331
Color image forming apparatus having an improved arrangement for mounting developing devices thereon
Inventors:
Kazushi Hayakawa, Noboru Hatakeyama, Hitoshi Tamura, Tadashi Izawa
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Nov 3, 1986
Inventors
Kazushi Hayakawa
Noboru Hatakeyama
Hitoshi Tamura
Tadashi Izawa
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.