Patents by Inventor Cameron J. Clarke

Cameron J. Clarke 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).

  • Tile
    Patent number: 5620278
    Abstract: A four sided tile, particularly for paving, flooring or cladding includes a first side edge, a second slide edge parallel with shorter than the first side edge, and third and fourth side edges which are not parallel. The length of the shorter side edges is the same and the sum of their length is equal to the length of the larger side. The side edges are preferable curved with radii of equal length.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: April 15, 1997
    Assignee: Shapes & Solutions Limited
    Inventor: Cameron J. Clarke