Patents by Inventor William J. Duffelmeyer

William J. Duffelmeyer 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).

  • Taper-lock anchor
    Patent number: 5660013
    Abstract: An anchor system for a hollow tubular support post of a starting platform utilizes a hollow tubular anchor body having a substantially rectangular cross-sectional configuration which is adapted to be imbedded in the deck of a swimming pool. A base plate is connected to the anchor body and has four upstanding projections with tapered outer surfaces defining four corner projections of a truncated pyramid which extends into the hollow tubular anchor body.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: August 26, 1997
    Assignee: KDI Paragon, Inc.
    Inventors: Thomas A. Saldarelli, Jerry R. Amato, William J. Duffelmeyer