Patents by Inventor Randall L. Dunn

Randall L. Dunn 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).

  • Secure vending machine
    Patent number: 6622889
    Abstract: A vending machine for newspapers has an outer housing, a door, a slot device, an inner housing, a moving plate and a controlling device. The inner housing is secured in the outer housing, and the inner housing is divided into multiple chambers each for receiving one newspaper. The moving plate is moveably attached to the inner housing to close the chamber. The controlling device is attached to the inner housing and controls the moving plate to move relative to the inner housing as the door is opened and then closed. Consequently, the vending machine can limit a buyer to access a quantity of newspapers corresponding exactly to the correct amount of money paid.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: September 23, 2003
    Inventor: Randall L. Dunn
  • SECURE VENDING MACHINE
    Publication number: 20030132238
    Abstract: A vending machine for newspapers has an outer housing, a door, a slot device, an inner housing, a moving plate and a controlling device. The inner housing is secured in the outer housing, and the inner housing is divided into multiple chambers each for receiving one newspaper. The moving plate is moveably attached to the inner housing to close the chamber. The controlling device is attached to the inner housing and controls the moving plate to move relative to the inner housing as the door is opened and then closed. Consequently, the vending machine can limit a buyer to access a quantity of newspapers corresponding exactly to the correct amount of money paid.
    Type: Application
    Filed: January 15, 2002
    Publication date: July 17, 2003
    Inventor: Randall L. Dunn