Granted Patent
Utility
US 6,497,362 · App. 09/784,656
Method and apparatus for wireless assistance for self-service checkout
Inventors:
Michael Persky, Norman Tsang, Robert E. Costello, Scott Martin, Derek E. Williams
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 15, 2001
Inventors
Michael Persky
Norman Tsang
Robert E. Costello
Scott Martin
Derek E. Williams
Assignee (at issue)
New Check Corporation
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.