Patents by Inventor Michael D. McDonald

Michael D. McDonald 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).

  • Soft deck surfboard
    Patent number: 4129911
    Abstract: A surfboard is constructed to have a soft deck by forming a lower body of a rigid foam material covered with a fiberglass resin coating and forming a deck insert of resilient foam material secured to the deck of the lower body and covered by a flexible impervious covering. The method of making the surfboard includes the shaping and covering of the lower body, the shaping and application to the upper deck of a resilient foam material and the covering of the foam material with a flexible impervious cover.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: December 19, 1978
    Inventors: Michael D. McDonald, Stanley A. Pleskunas