Patents by Inventor J. David Mackin

J. David Mackin 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).

  • Ultrafine matte finish roll for treatment for sheet products and method of production
    Patent number: 6290632
    Abstract: The present invention is directed to the texturing of rolls for rolling sheet and plate metals, such as aluminum and aluminum alloys, other metals and their alloys, laminates and composites, where the rolled sheet or plate is textured by the textured roll.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: September 18, 2001
    Assignee: Alcoa Inc.
    Inventors: Sallie L. Blake, Jean Ann Skiles, J. David Mackin