Patents by Inventor Earl E. Rumberger

Earl E. Rumberger 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: 4297778
    Abstract: A method and apparatus for separating a liner from a formed metal closure by at least partially everting the closure so as to make the liner accessible for separation from the closure.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: November 3, 1981
    Assignee: Aluminum Company of America
    Inventors: Earl E. Rumberger, Frank M. Kelly