Patents by Inventor Elard L. Haden

Elard L. Haden 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).

  • Composite structure for cutting tools
    Patent number: 4452325
    Abstract: A cutting tool comprises a compact bundle of elongated, substantially cylindrical fibers or rods formed from a cemented metal carbide material. The bundle of fibers is shrink-fitted within a metal collar to form a long-wearing cutting tool.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: June 5, 1984
    Assignee: Conoco Inc.
    Inventors: Frederick J. Radd, Elard L. Haden