Granted Patent
Utility
US 6,572,020 · App. 10/139,708
Retail sales cutomer auto-ID activation
Inventor:
Edward Barkan
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 6, 2002
Inventor
Edward Barkan
Assignee (at issue)
Symbol Technologies, 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.