Patents by Inventor James Hale Merrifield

James Hale Merrifield 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).

  • Water-repellent wallboard
    Patent number: 5814411
    Abstract: The present invention provides a novel method of rendering a wallboard water-repellent comprising applying to the wallboard a water-repellent composition comprising a hydrogen siloxane component and a high molecular weight silicone.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: September 29, 1998
    Assignee: General Electric Company
    Inventors: James Hale Merrifield, Donna Ann Riccio