Granted Patent
Utility
US 4,867,100 · App. 07/219,862
Developing apparatus
Inventors:
Yoshio Yamazaki, Kazuhiko Uneme, Takeichi Shimada
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Jul 12, 1988
Inventors
Yoshio Yamazaki
Kazuhiko Uneme
Takeichi Shimada
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.