Patents by Inventor William Harrison Hill

William Harrison Hill 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).

  • Method of adhering coatings to substrates
    Publication number: 20020164426
    Abstract: Adhesion between a coating and a substrate may be improved by pre-treating the surface of the substrate with an aqueous detergent composition having a pH above 8 and comprising from 1 to 10% by weight phosphate and from 1 to 10% by weight silicate, before application of the coating.
    Type: Application
    Filed: March 11, 2002
    Publication date: November 7, 2002
    Inventors: Thomas James Ennis, William Harrison Hill, William August Kirn, Joseph Martin Rokowski