Patents by Inventor John Byron Sudbury

John Byron Sudbury 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: 6488755
    Abstract: Asphalt compositions as well as asphalt paving compositions are improved by the inclusion of coated mesophase pitch carbon fibers having wax or waxy coatings to such compositions. Uses of such asphalt compositions, particularly with aggregates to form asphalt paving compositions are also disclosed.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: December 3, 2002
    Assignee: Conoco Inc.
    Inventors: Paul E. Seyler, Stephen D. Harris, John Byron Sudbury, Jeff D. Meyers