Patents by Inventor John Woffinden

John Woffinden has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Statistical sampling security methodology for self-scanning checkout system
    Patent number: 6672506
    Abstract: A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned, if the shopper is determined to be audited. The present invention does not audit every customer, but rather determines whether a given shopper or customer is to be audited on a given shopping trip based upon obtaining a minimum checkout loss for such customer. The methodology determines how many items to check for a given shopper as well as which particular items to check for that shopper.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: January 6, 2004
    Assignee: Symbol Technologies, Inc.
    Inventors: Jerome Swartz, Stephen J. Shellhammer, Joseph Katz, Theo Pavlidis, John Woffinden, Judith Murrah, Edward Beadle, Raj Bridgelall
  • Statistical sampling security methodology for self-scanning checkout system
    Publication number: 20030102373
    Abstract: A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned, if the shopper is determined to be audited. The present invention does not audit every customer, but rather determines whether a given shopper or customer is to be audited on a given shopping trip based upon obtaining a minimum checkout loss for such customer. The methodology determines how many items to check for a given shopper as well as which particular items to check for that shopper.
    Type: Application
    Filed: October 15, 2001
    Publication date: June 5, 2003
    Inventors: Jerome Swartz, Stephen J. Shellhammer, Joseph Katz, Theo Pavlidis, John Woffinden, Judith Murrah, Edward Beadle, Raj Bridgelall
  • Statistical sampling security methodology for self-scanning checkout system
    Patent number: 6092725
    Abstract: A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned, if the shopper is determined to be audited. The present invention does not audit every customer, but rather determines whether a given shopper or customer is to be audited on a given shopping trip based upon obtaining a minimum checkout loss for such customer. The methodology determines how many items to check for a given shopper as well as which particular items to check for that shopper.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: July 25, 2000
    Assignee: Symbol Technologies, Inc.
    Inventors: Jerome Swartz, Stephen J. Shellhammer, Joseph Katz, Theo Pavlidis, John Woffinden, Judith Murrah, Edward Beadle, Raj Bridgelall