Granted Patent
Utility
US 4,505,572 · App. 06/437,343
Electrostatic reproducing apparatus
Inventors:
Hisashi Ashida, Keiichiro Suzuki
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Oct 28, 1982
Inventors
Hisashi Ashida
Keiichiro Suzuki
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.