Patents by Inventor William F. Forster

William F. Forster 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).

  • Patent number: 5407702
    Abstract: A method for extrusion coating both sides of a metal strip. A metal strip, such as aluminum alloy strip, is moved through a pre-conditioner, two extrusion dies, a post heater and a cooling system. Both sides of the strip are coated with thin coatings of polyester material. The coated metal strip is useful for containers, such as cans and can ends, as well as for automobiles, appliances, aerospace, construction and electrical devices.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: April 18, 1995
    Assignee: Aluminum Company of America
    Inventors: David A. Smith, Susan A. Stanton, Gary J. DiFranco, Roy B. Steidley, John M. Stinson, Thomas L. Levendusky, Vincent J. Downard, William F. Forster, John R. McAllister