Granted Patent
Utility
US 4,349,268 · App. 06/163,268
Electrostatic image-forming process and an apparatus therefor
Inventor:
Masao Hirata
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Jun 26, 1980
Inventor
Masao Hirata
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.