Patents by Inventor Donald Robert Nelson

Donald Robert Nelson 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).

  • Product identification system using hand-held customer assistant unit with a code reader
    Patent number: 5939695
    Abstract: A device for providing product information to customers of a retail establishment. The device is a hand-held unit which contains a detector which identifies a product located nearby. The identification can be accomplished through scanning a bar code affixed to the product. Once the product is identified, the device retrieves descriptive information about the product from memory, and displays the information to the customer.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: August 17, 1999
    Assignee: Lucent Technologies, Inc.
    Inventor: Donald Robert Nelson