Patents by Inventor William H. McDonald, Jr.

William H. McDonald, Jr. 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).

  • Chamois water extraction apparatus
    Patent number: 5333352
    Abstract: A piston plate received within a container is provided, such that the container having an apertured container floor directs squeezed water from a chamois positioned between the piston plate and the container floor. The container is arranged for reception within a supporting plate that is further apertured, wherein an articulated linkage is arranged to project the piston plate into the container permitting periodic extraction of water from the chamois.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: August 2, 1994
    Inventor: William H. McDonald, Jr.