Patents by Inventor Francisco J. L. Vidal

Francisco J. L. Vidal 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: 5333430
    Abstract: A tile for paving and floor and wall covering comprises a substantially flat body with a polygonal periphery with plural recess and different parallel sides opposite to one another. The tile is juxtaposed by fitting it together with identical tiles in a first orientation to completely cover a surface or a second orientation to define free spaces of substantially identical size and width. The orientation is selectively preestablished according to tile sides to be joined.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: August 2, 1994
    Inventor: Francisco J. L. Vidal