Patents by Inventor William Prossor

William Prossor 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: 4993708
    Abstract: The present invention is comprised of a tee ball stand which simulates actual hitting conditions by employing a generally vertical elongated stand having a base portion supporting a separable resilient ball support member at its upper end portion which pivots about its lower portion upon being impacted by a bat and is urged back to its vertical at rest position by a cord and spring arrangement coaxially connected within said base portion.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: February 19, 1991
    Inventors: William Prossor, Preston Douglas