Patents by Inventor John Chedester

John Chedester 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: 5374474
    Abstract: Composite boards made primarily from recycled waste paper and methods for production of such boards are described.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: December 20, 1994
    Assignee: Earth Partners, Inc.
    Inventors: Ronald Pratt, John Chedester, John Pommerening