Patents by Inventor Robert E. Keith

Robert E. Keith 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).

  • Method for treating produce and process water
    Patent number: 5863584
    Abstract: A method for treating fresh produce to remove debris and inhibit the growth of fungus on the produce and a method for treating contaminants in process water. According to the present invention, the produce is submerged in process water in an amount sufficient to clean substantially all debris from the surface of the produce, inhibit growth of fungus on the produce and treat contaminants in the process water.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: January 26, 1999
    Assignee: CH20 Incorporated
    Inventors: Iverson Thomas, Jr., Joyce Prindle, Robert E. Keith