Patents by Inventor Harold N. Coles

Harold N. Coles 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).

  • Feed pellet manufacturing process
    Patent number: 5102671
    Abstract: A feed pellet which is stable in water is manufactured by mixing the materials, including wheat gluten, from which the pallet is to be made, without heating, extruding the pellets through a pellet mill before heating and subsequently cooking and effecting binding of the pellet by heating, preferably with steam.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: April 7, 1992
    Assignee: Sprout-Waldron Australia Pty. Limited
    Inventor: Harold N. Coles