Granted Patent
Utility
US 4,305,646 · App. 06/095,894
Optical system for electro-optical scanner
Inventor:
Edwin Bechtold
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Nov 19, 1979
Inventor
Edwin Bechtold
Assignee (at issue)
Eltra 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.