Patents Assigned to Halladay Incorporated
  • Patent number: 4850618
    Abstract: A lottery ticket which has a layer of thermally-activated material beneath a ruboff layer, the material being selectively activated by a thermal sensor at the point of sale so as to apply the prize indicia on the thermally-activated material while it is still underneath the ruboff layer.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: July 25, 1989
    Assignee: Halladay Incorporated
    Inventor: Allan W. Halladay, Jr.