Patents by Inventor David Queensberry

David Queensberry 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).

  • Patent number: D463955
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: October 8, 2002
    Assignee: Tablewerks, Inc.
    Inventors: David Queensberry, Martin Hunt, John Horler
  • Patent number: D481261
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: October 28, 2003
    Assignee: Tablewerks, Inc.
    Inventors: David Queensberry, Martin Hunt, John Horler