Patents by Inventor Robert S. Mullins

Robert S. Mullins 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).

  • High void volume/enhanced firmness tobacco rod and method of processing tobacco
    Patent number: 4936920
    Abstract: A tobacco product characterized by improved void volume and firmness characteristics and a method of making a tobacco product by applying binder material to tobacco filler, treating the filler to the extent necessary to cause the filler to become substantially non-tacky, forming a rod, activating the binder and treating the rod to the extent necessary to cause the filler shreds to become bonded to one another.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: June 26, 1990
    Assignee: Philip Morris Incorporated
    Inventors: Gus D. Keritsis, Robert S. Mullins, Jose G. Nepomuceno, Lewis A. Haws, Harry A. Jones, Veronica Y. Manuel, Wesley G. Sanderson, John F. Sherwood, Warren D. Winterson