Patents by Inventor Arden L. Clemison

Arden L. Clemison 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: 3998421
    Abstract: An adjustable holder for an auxiliary article related to an artist's easel, as a sketch being copies by the artist. A first rod attaches to the easel and extends horizontally therefrom. A second rod attaches to the first rod and extends vertically therefrom. A cross-member at the upper extremity of the second rod supports the sketch.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: December 21, 1976
    Inventor: Arden L. Clemison