Patents by Inventor Robert O. Fulton

Robert O. Fulton 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).

  • Tamper-resistant article and method of authenticating the same
    Patent number: 5403039
    Abstract: A printed document, such as a lottery ticket, includes a thermochromic layer at least over the imprinted data region. The printed document can be authenticated by applying heat to the thermochromic material and observing the presence or absence of a reversible color change.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: April 4, 1995
    Assignee: BABN Technologies, Inc.
    Inventors: Joseph C. Borowski, Jr., Robert O. Fulton, Jacques Lavoie
  • Tamper-resistant article and method of authenticating the same
    Patent number: 5193854
    Abstract: A printed document, such as a lottery ticket, includes a thermochromic layer at least over the imprinted data region. The printed document can be authenticated by applying heat to the thermochromic material and observing the presence or absence of a reversible color change.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: March 16, 1993
    Assignee: BABN Technologies Inc.
    Inventors: Joseph C. Borowski, Jr., Robert O. Fulton, Jacques Lavoie