Patents by Inventor Lyle H. Scrymgeour

Lyle H. Scrymgeour 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).

  • Heat actuated game
    Patent number: 5083815
    Abstract: A lottery type game includes a plurality of indicia which can be exposed to reveal a winning or losing line and has a central indicium covered by scratchable ink and two other indicia covered by an ink which is normally opaque at room temperature but which becomes transparent on heating. The game can be used for the packaging of heatable food products or for other promotions relating to heating equipment.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: January 28, 1992
    Assignee: Pollard Banknote Limited
    Inventors: Lyle H. Scrymgeour, John H. Sanderson