Patents by Inventor Sherwood L. Pratt

Sherwood L. Pratt 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: 4674211
    Abstract: Frame structure for support and display of a stained glass work of art or the like that includes a metal structural frame assembly; an opaque reflector panel secured to the rear of the structural metal frame assembly; a perimeter assembly secured to the metal frame assembly that defines a sight area for the planar, light-transmitting work of art and a series of compartments that extend about the periphery of the metal frame assembly, together with a work of art support within the sight area, and a diffuser panel secured to the perimeter assembly and extending beneath the sight area between the work of art and the reflector panel. Disposed in the series of compartments and located rearwardly of the diffuser panel are a plurality of light sources. Light from the light sources passes through the metal frame assembly and through the diffuser panel and the work of art.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: June 23, 1987
    Assignee: The Architectural Glass Company, Inc.
    Inventor: Sherwood L. Pratt