Patents by Inventor Rick L. Naylor

Rick L. Naylor 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 removal control system
    Patent number: 5260690
    Abstract: A responder assembly for an article inventory control system employs a plurality of sensors for detection of sensitized markers attached to inventory items. By processing signals from each of the plurality of sensors, a detection pattern is provided to determine whether none, one, or more than one marker is present within a zone of sensitivity.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: November 9, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Graeme R. Mann, Rick L. Naylor