Patents by Inventor John F. D. Holt

John F. D. Holt 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).

  • Simulated stained glass articles
    Patent number: 4127689
    Abstract: A simulated stained glass article and method for its production comprises a sheet of transparent or translucent material having at least one surface provided with an optically distorting characteristic and a thermosetting or thermofluid composition suitably colored and disposed on at least one surface to provide a desired leaded effect.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: November 28, 1978
    Inventor: John F. D. Holt