Patents by Inventor Leon W. Mitchell

Leon W. Mitchell 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).

  • Method of coating the interior surfaces of a hollow article
    Patent number: 4186225
    Abstract: Two spray coatings are successively applied, without an intervening curing step, to coat the inside surface of a shell for a two-piece can. This "wet-on-wet" coating technique utilizes zone spraying, wherein only the sidewall is covered during the first application, with the second coat being applied to all inside surfaces.
    Type: Grant
    Filed: March 22, 1978
    Date of Patent: January 29, 1980
    Assignee: American Can Company
    Inventors: Jack L. Smith, Leon W. Mitchell