Patents by Inventor David Carr Donelson

David Carr Donelson 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).

  • Methods and compositions for microsurfacing
    Patent number: 7312262
    Abstract: A composition for microsurfacing of pavement is described. The composition includes a polymer-modified emulsion asphalt oil, water, cement, and crushed aggregate. The crushed aggregate includes a first portion having an L.A. abrasion resistance which is higher than an L.A. abrasion resistance of a second portion of the crushed aggregate.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: December 25, 2007
    Assignee: Donelson Construction Co., LLC
    Inventors: Michael James Donelson, Terrence Christopher Donelson, David Carr Donelson