Patents by Inventor Theodore E. Stevens

Theodore E. Stevens 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).

  • Cultured onyx products and methods therefor
    Patent number: 4544584
    Abstract: Cultured onyx, cultured marble, and like mineral-appearing products are provided, as well as intermediates and components and methods therefor through the combination of a locally discontinuous phase comprising a synthetic organic resin portion hardened to a predetermined hardness and a visually distinguishable continuous phase comprising a synthetic organic resin portion separately hardened to the predetermined hardness with the discontinuous phase intimately distributed therein, to form shaped structures having surfaces simulative of onyx, marble, or like naturally occurring mineral in appearance, which surfaces are uniformly polishable in phase undifferentiated relation.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: October 1, 1985
    Inventors: Gilbert B. Ross, Theodore E. Stevens
  • Cultured onyx products and methods therefor
    Patent number: 4433070
    Abstract: Cultured onyx, cultured marble, and like mineral-appearing products are provided, as well as intermediates and components and methods therefor through the combination of a locally discontinuous phase comprising a synthetic organic resin portion hardened to a predetermined hardness and a visually distinguishable continuous phase comprising a synthetic organic resin portion separately hardened to the predetermined hardness with the discontinuous phase intimately distributed therein, to form shaped structures having surfaces simulative of onyx, marble, or like naturally occurring mineral in appearance, which surfaces are uniformly polishable in phase undifferentiated relation.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: February 21, 1984
    Inventors: Gilbert B. Ross, Theodore E. Stevens