Granted Patent
Utility
US 4,511,237 · App. 06/479,820
Electrophotographic reproducing machine
Inventors:
Shun Kawata, Isao Nosaka, Hiroshi Katakura
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Mar 28, 1983
Inventors
Shun Kawata
Isao Nosaka
Hiroshi Katakura
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.