Granted Patent
Utility
US 4,473,746 · App. 06/288,564
Multiple head optical scanner
Inventor:
Paul Edmonds
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jul 30, 1981
Inventor
Paul Edmonds
Assignee (at issue)
Bell and Howell, LLC
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.