Granted Patent
Utility
US 4,426,148 · App. 06/331,253
Mounting structure for developing unit with a magnetic brush
Inventors:
Isao Ikemoto, Akihiko Tamura
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Dec 16, 1981
Inventors
Isao Ikemoto
Akihiko Tamura
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.