Patents by Inventor William F. Dexter

William F. Dexter 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: 4234973
    Abstract: A cover for a hot tub has wooden or other rigid ribs secured to a flexible, resilient foamed plastic sheet. One rib is secured at an edge of the tub to anchor the cover. The cover can be rolled between an extended position overlying the tub and a rolled retracted position adjacent the tub. A pair of brackets secured to the tub each have a depression in the top surface in which the retracted rolled cover rests.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: November 25, 1980
    Assignee: Vetter Design Works, Inc.
    Inventors: Craig W. Vetter, William F. Dexter