Patents by Inventor John A. G. Drake

John A. G. Drake 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).

  • Composition
    Patent number: 5064472
    Abstract: A composition which comprises a solvent extract of peat or a pyrolysis product of peat or a montan wax and petroleum bitumen of the paving grade type.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: November 12, 1991
    Assignee: Foster Wheeler USA Corporation
    Inventors: John A. G. Drake, Ian L. Jamieson