Patents Assigned to JHD Holding, Ltd.
  • Writing instrument with random number selector
    Patent number: 4541630
    Abstract: A writing pen, particularly a retractable ball point pen, is formed with two random number selectors to provide a multiple game play. The game and pen construction is integrally cooperatively formed for ready manufacture and use.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: September 17, 1985
    Assignee: JHD Holding, Ltd.
    Inventor: Johann H. Dirks