Patents by Inventor Rodney W. Schrader

Rodney W. Schrader 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: 4438009
    Abstract: An emulsion pre-spotting composition having superior effectiveness against both oil-borne and water-borne stains utilizing a relatively low amount of solvent and a mixture of nonionic surfactants.
    Type: Grant
    Filed: August 14, 1981
    Date of Patent: March 20, 1984
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Jeanne A. Benicek, Rodney W. Schrader