Granted Patent
Utility
US 4,267,796 · App. 06/032,381
Apparatus for developing electrostatic latent image
Inventors:
Nin-ichi Kamogawa, Yoshio Yamazaki
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Apr 23, 1979
Inventors
Nin-ichi Kamogawa
Yoshio Yamazaki
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.