Granted Patent
Utility
US 4,364,657 · App. 06/190,351
Multiple-blade pickoff for electrophotographic copier
Inventor:
Benzion Landa
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Sep 24, 1980
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.