Patents by Inventor Paul W. Swanstrom

Paul W. Swanstrom 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: 4044812
    Abstract: An articulated window shutter which can be remotely opened to a fully opened position wherein both shutter elements are parallel to the wall of the structure in which the shuttered aperture is located and wherein the shutter operating elements are fully enclosed in the structure wall.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: August 30, 1977
    Inventor: Paul W. Swanstrom