Patents by Inventor Sterling L. R. Presley

Sterling L. R. Presley 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).

  • Adjustable easel
    Patent number: 5074513
    Abstract: An easel adapted for use by disabled persons provides a frame for holding a canvas which can be tilted by means of a crank and rotated to bring different parts of the canvas into convenient reach of the artist. The stand of the easel pivotally supports a plate on which the canvas-holding frame is rotatably mounted.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: December 24, 1991
    Inventors: Sterling L. R. Presley, Heather J. Presley