Granted Patent
Utility
US 4,456,372 · App. 06/383,317
Copying machine equipped with a document detecting member
Inventor:
Kunihiro Yamauchi
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: May 28, 1982
Inventor
Kunihiro Yamauchi
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.