Patents by Inventor Donald G. Plourde

Donald G. Plourde 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).

  • Patent number: 5716113
    Abstract: A beverage vending machine having a sliding shelf for supporting thereon one or more beverage containers. Folding legs are provided under the shelf for supporting the weight of the shelf when the shelf is in an extended position. The deployment and retraction of the legs is effected by a pair of pantograph actuators, coincidently with a movement of the shelf when the shelf is within a minimal distance from the extended position.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: February 10, 1998
    Inventor: Donald G. Plourde