Patents by Inventor Caleb K. Sullivan

Caleb K. Sullivan 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).

  • Toy train transformer controller
    Patent number: D453540
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: February 12, 2002
    Inventor: Caleb K. Sullivan
  • Flatware
    Patent number: D647758
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: November 1, 2011
    Assignee: Oneida Ltd.
    Inventor: Caleb K. Sullivan