Granted Patent
Utility
US 4,792,666 · App. 06/913,729
Bar code reader with compensation for signal variation on different scan lines
Inventors:
Craig D. Cherry, P. Guy Howard
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Sep 30, 1986
Inventors
Craig D. Cherry
P. Guy Howard
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.