Patents by Inventor Donald J. Masterton

Donald J. Masterton 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).

  • Batch annealing furnaces
    Patent number: 4155706
    Abstract: A support for a workpiece to be heated, the support comprising a laminate of metal strip arranged in face-to-face relation with the adjacent normally upper strip edges forming a support surface.
    Type: Grant
    Filed: May 13, 1977
    Date of Patent: May 22, 1979
    Assignee: British Steel Corporation
    Inventors: Donald J. Masterton, Donald R. Rees