Patents by Inventor Lance Lof

Lance Lof 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).

  • Swimming pool cover
    Patent number: 4251889
    Abstract: A swimming pool cover consisting of a sheet of transparent, flexible, pliant plastic of a size to cover the water surface of a pool with an overhang of a several inches permitting folding back all edges, a foamed plastic cylinder in the fold around the pool periphery and a plurality of tubular clamps maintaining the folded edge around the foamed plastic cylinder.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: February 24, 1981
    Assignee: Solaron Corporation
    Inventor: Lance Lof