Patents by Inventor Thomas L. Hatfield

Thomas L. Hatfield 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).

  • Publication number: 20100124612
    Abstract: A process for treating wood comprising at least partially penetrating it with a urethane- or acrylate-based fluoro-material. Also, wood produced by the process.
    Type: Application
    Filed: January 21, 2010
    Publication date: May 20, 2010
    Inventors: Malcolm B. Burleigh, Thomas L. Hatfield
  • Patent number: 7674500
    Abstract: A process for treating wood comprising at least partially penetrating it with a urethane- or acrylate-based fluoro-material. Also, wood produced by the process.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: March 9, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Malcolm B. Burleigh, Thomas L. Hatfield