Patents by Inventor John A. Lack

John A. Lack 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).

  • Video dispensing machine
    Patent number: D321723
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: November 19, 1991
    Assignee: Nelson Vending Technology Limited
    Inventor: John A. Lack