Patents by Inventor David Roger Winger

David Roger Winger 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).

  • Forklift fork tip end
    Patent number: D683925
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: June 4, 2013
    Assignee: Cascade Corporation
    Inventors: Bernard Charles Dickinson, Robert Power, David Roger Winger
  • Tip portion of a forklift fork
    Patent number: D684334
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: June 11, 2013
    Assignee: Cascade Corporation
    Inventors: Bernard Charles Dickinson, Robert Power, David Roger Winger
  • Forklift fork tip
    Patent number: D684335
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: June 11, 2013
    Assignee: Cascade Corporation
    Inventors: Bernard Charles Dickinson, Robert Power, David Roger Winger