Patents by Inventor Graeme Robert Charles Riddell

Graeme Robert Charles Riddell 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).

  • Vending machine
    Patent number: D518855
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: April 11, 2006
    Assignee: National Vending Asset Management Limited
    Inventors: Graham Robert Worthington, Graeme Robert Charles Riddell, Alister John Sides
  • Vending machine
    Patent number: D519159
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: April 18, 2006
    Assignee: National Vending Asset Management Limited
    Inventors: Graham Robert Worthington, Graeme Robert Charles Riddell, Alister John Sides
  • Vending machine
    Patent number: D520064
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: May 2, 2006
    Assignee: National Vending Asset Management Limited
    Inventors: Graham Robert Worthington, Graeme Robert Charles Riddell, Alister John Sides