Patents by Inventor Ernest P. Smith

Ernest P. Smith 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).

  • Extrusion of an admixture of a meltable binder and a food or drug
    Patent number: 5290560
    Abstract: The present invention relates to new granules, as well as the process for their preparation, obtained by extrusion of a mixture containing a meltable binder in an amount such that it permits the passage of the mixture through a die. The granules obtained are then coated with a polymer permitting their trans-rumen passage without degradation. After coating, these granules are used for animal feeding of ruminants.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: March 1, 1994
    Assignee: Rhone-Poulenc Nutrition Animale
    Inventors: Pierre Autant, Jacques Ruel, Stephen Weinhold, Charles A. McCombs, Ernest P. Smith, Stephen H. Wu, Louis P. Hoskins
  • Plaque with an ancestral tree
    Patent number: D265643
    Type: Grant
    Filed: August 15, 1980
    Date of Patent: August 3, 1982
    Inventor: Ernest P. Smith