Patents Assigned to Stuart Enterprises, Inc.
  • Break-open card with tamper proof seal
    Patent number: 5618112
    Abstract: A break-open card with tamper proof seal (10) to prevent surreptitious tampering with and presentment of tampered game cards as valid prize winning cards by providing at least one readily frangible seal (28) to irreversibly evidence that tampering.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: April 8, 1997
    Assignee: Stuart Enterprises, Inc.
    Inventor: John G. Lovell