Granted Patent
Utility
US 4,396,187 · App. 06/336,571
Sheet detector for electrophotographic copier
Inventor:
Benzion Landa
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jan 4, 1982
Inventor
Benzion Landa
Assignee (at issue)
Savin Corporation
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.