Patents Assigned to First National Piggy Bank, Ltd.
  • Patent number: 5135434
    Abstract: A bank having a coin slot and a repository for deposited coins is provided. The bank can detect coins deposited. A coin is returned upon deposit of a predetermined amount of money to return interest such as a nickel in interests for depositing twenty-five cents.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: August 4, 1992
    Assignee: First National Piggy Bank, Ltd.
    Inventor: Andrew B. Mallon