Granted Patent
Utility
US 4,409,477 · App. 06/276,279
Scanning optical system
Inventor:
Norman J. Carl
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Jun 22, 1981
Inventor
Norman J. Carl
Assignee (at issue)
Sanders GmbH
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.