Patents by Inventor David Grandfield

David Grandfield 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).

  • Article identification system with faraday screens
    Patent number: 8162213
    Abstract: The present disclosure includes methods and systems for identifying articles. One method embodiment includes positioning a number of movable Faraday screens in particular locations relative to a number of different stages in a laundering process, and moving a mobile electronic identification device (EID) reader past the locations.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: April 24, 2012
    Assignee: G&K Services, Inc.
    Inventors: David F. Larson, Ryan R. Windy, Andrew J. Thompson, Dean Frew, Jeremy Duddlesten, Chad Ward, Richard Svalesen, David Grandfield, Solomon Dasary, Eric McPherson
  • ARTICLE IDENTIFICATION SYSTEM
    Publication number: 20100019035
    Abstract: The present disclosure includes methods and systems for identifying articles. One method embodiment includes positioning a number of movable Faraday screens in particular locations relative to a number of different stages in a laundering process, and moving a mobile electronic identification device (EID) reader past the locations.
    Type: Application
    Filed: July 25, 2008
    Publication date: January 28, 2010
    Applicant: G & K Services, Inc.
    Inventors: David F. Larson, Ryan R. Windy, Andrew J. Thompson, Dean Frew, Jeremy Duddlesten, Chad Ward, Richard Svalesen, David Grandfield, Solomon Dasary, Eric McPherson