Patents by Inventor Fred Raymond Foster

Fred Raymond Foster 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).

  • System for extending the useful life of colored gels
    Patent number: 6004009
    Abstract: The invention is directed to a system and method for extending the life of a bluish, greenish, or reddish colored gel, comprising a filter coating situated between a light source and a colored gel, which filter coating has a reflectance band falling in the same wavelength region of the visible light spectrum as the absorption band for the colored gel such that burning or bleaching of the color is prevented or delayed.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: December 21, 1999
    Assignee: Applied Coatings, Inc.
    Inventors: Jennifer D. Kurschwitz, Fred Raymond Foster, Gregg F. Esakoff