Patents by Inventor Marilyn Kemp Weidener

Marilyn Kemp Weidener 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: 5210957
    Abstract: A system, apparatus and methods are described for the treatment of fibrous materials and, in particular, works of art on paper, with aqueous treating fluids introduced to a treatment chamber by means of an ultrasonic humidifier creating contact between the fibrous materials being treated and an absorbent material beneath it through air pressure, and drawing filtered air through the material being treated to dry the material by means of an underlying vacuum.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: May 18, 1993
    Inventor: Marilyn Kemp Weidener