Granted Patent
Utility
US 4,845,349 · App. 06/913,773
Bar code scanner laser emission reduction
Inventor:
Craig D. Cherry
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Sep 30, 1986
Inventor
Craig D. Cherry
Assignee (at issue)
Spectra-Physics, Inc.
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.