Patents by Inventor Thomas Frederick Smith

Thomas Frederick Smith 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).

  • Mortar composition
    Patent number: 5730797
    Abstract: A mortar composition for molding, casting or rendering purposes includes: (a) mixture comprising 1.5 to 8 parts by volume of powdered stone and one part by volume of powdered mica based on the total parts by volume of the composition; and (b) a binder therefore. The binder is preferably a hydraulic cement such as Portland cement. An artificial stone may be produced by coating a substrate, such as concrete, with the mortar composition.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: March 24, 1998
    Assignee: Stonelight Systems Ltd.
    Inventors: John Anthony Parrish, Robert John Smith, Thomas Frederick Smith