Patents by Inventor John B. Angel

John B. Angel 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).

  • Coin operated device
    Patent number: 5076415
    Abstract: In a coin-operated device an inserted coin lodges in a tumbler member which is adjustable continuously or in discrete steps to cater for coins of a different denomination. Upon receipt of a valid coin, the tumbler member tilts to allow the coin to pass between the tumbler member and a pendulum member.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: December 31, 1991
    Assignee: Coinmechs Limited
    Inventor: John B. Angel