Granted Patent
Utility
US 4,540,646 · App. 06/628,767
Method of developing an electrostatic latent image
Inventors:
Jun Kambara, Yuzo Ohmuro, Nin-ichi Kamogawa
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jul 9, 1984
Inventors
Jun Kambara
Yuzo Ohmuro
Nin-ichi Kamogawa
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.