Patents by Inventor Anthony C. Sandell

Anthony C. Sandell 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: 5271124
    Abstract: The invention provides a hinge suitable for use in a roof window assembly having a frame and a movable sash, connected to each other by a pair of hinges according to the invention. Each hinge includes a first hinge element connectable to the frame and a second hinge element connectable to the sash. A pair of linkages, each pivotally connected to both hinge elements is so arranged as to allow rotational movement of the sash through angles exceeding 120 degrees.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: December 21, 1993
    Inventor: Anthony C. Sandell