Patents by Inventor Christopher Murphree

Christopher Murphree 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).

  • Concrete construction with control joint protective strip
    Publication number: 20040055235
    Abstract: A concrete construction includes a formed concrete slab having at least one control joint formed into a surface of the slab to control the location of stress cracks as the slab cures. A control joint protective strip is removably received in the control joint and has a head portion which overlays upper edges of the control joint. The control joint protective strip further includes a stem portion which is configured to engage frictionally interior side walls of the control joint when the stem portion is inserted into the control joint.
    Type: Application
    Filed: September 19, 2002
    Publication date: March 25, 2004
    Applicant: Aztec Concrete Accessories, Inc.
    Inventors: Roy Valentine, Christopher Murphree, Clifford D. Bennett