Patents by Inventor Ralph K. Nelson

Ralph K. 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).

  • Photo booth
    Patent number: D612884
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: March 30, 2010
    Assignee: TheTraveling Photo Booth Inc.
    Inventors: Matthew J. Gassman, Ralph K. Nelson
  • Photo booth
    Patent number: D628613
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: December 7, 2010
    Assignee: The Traveling Photo Booth Inc.
    Inventors: Matthew J. Gassman, Ralph K. Nelson