Granted Patent
Utility
US 4,334,762 · App. 06/085,110
Single fixed position lens variable copy size optical system for copying machine
Inventor:
Benzion Landa
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Oct 15, 1979
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.