Granted Patent
Utility
US 4,585,723 · App. 06/767,056
Developer for electrostatic latent image and method of forming image
Inventors:
Ken-ichi Kishi, Keiji Sato, Takahira Kasuya, Kunio Ito, Tsuneo Wada
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Aug 19, 1985
Inventors
Ken-ichi Kishi
Keiji Sato
Takahira Kasuya
Kunio Ito
Tsuneo Wada
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.