Patents by Inventor Harry M. Stevens

Harry M. Stevens 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).

  • Pelletizing apparatus
    Patent number: 4643662
    Abstract: An apparatus is provided for pelletizing finely divided particulate or pulverant materials. The apparatus is particularly effective in pelletizing large quantities of such particulate materials to a desirable spheroidal pellet size.
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: February 17, 1987
    Assignee: Monsanto Company
    Inventors: Lawrence F. Rakestraw, Harry M. Stevens