Patents by Inventor Keith Douglas Pewitt, III

Keith Douglas Pewitt, III 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).

  • Container trailer
    Patent number: D801874
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: November 7, 2017
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Wesley John Warren, Keith Douglas Pewitt, III, David Wayne Murrell, Bryan Chapman Lucas