Patents by Inventor Donald Constable

Donald Constable 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).

  • Publication number: 20110061331
    Abstract: A paving assembly comprises a set of artificial paving stones held in position relative to each other by a membrane. The membrane has a set of connecting members extending from one stone to an adjacent stone. The membrane also has a set of protruding members that extend from the connecting members into the stones. The membrane may be a unitary structure with the protruding and connecting members cast of molded together. The connecting members may be located generally within a plane below the stones. To make the assembly, the set of stones may be cast inverted into a mold, the membrane laid across the bottom surface of the stones, and the protruding members pressed into the stones before they cure.
    Type: Application
    Filed: April 16, 2010
    Publication date: March 17, 2011
    Inventor: Donald Constable