Patents by Inventor David Wayne Gregg

David Wayne Gregg 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: 7140804
    Abstract: A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. There is also a system for delivering fluid to the roller along its surface, such that it releases easily from the concrete. The receiving portion can be adjustably weighted, such that the roller will stamp the concrete uniformly as the concrete tightens.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: November 28, 2006
    Assignee: Rock N Roller, LLC
    Inventor: David Wayne Gregg
  • Publication number: 20040265059
    Abstract: A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. There is also a system for delivering fluid to the roller along its surface, such that it releases easily from the concrete. The receiving portion can be adjustably weighted, such that the roller will stamp the concrete uniformly as the concrete tightens.
    Type: Application
    Filed: October 30, 2003
    Publication date: December 30, 2004
    Inventor: David Wayne Gregg
  • Publication number: 20040265058
    Abstract: A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. The receiving portion can be adjustably weighted, such that the roller will stamp the concrete uniformly as the concrete tightens.
    Type: Application
    Filed: June 25, 2003
    Publication date: December 30, 2004
    Inventor: David Wayne Gregg