Granted Patent
Utility
US 5,864,129 · App. 08/841,807
Bar code digitizer including a voltage comparator
Inventor:
Raymond J. Boyd
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: May 5, 1997
Inventor
Raymond J. Boyd
Assignee (at issue)
PSC, 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.