Patents by Inventor Harold Dean Dodgen

Harold Dean Dodgen 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 mix containing coal ash and organic plant ash
    Patent number: 5968254
    Abstract: A composition for manufacturing concrete containing cement, coal ash, and organic plant ash, and a process of making such composition.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: October 19, 1999
    Assignee: Southern Company Services
    Inventors: Harold Dean Dodgen, Charles Lamar Larrimore