Granted Patent
Utility
US 4,963,756 · App. 07/421,520
Focused line identifier for a bar code reader
Inventors:
Ronald Quan, Brian J. Bayley
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Oct 13, 1989
Inventors
Ronald Quan
Brian J. Bayley
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.