Patents by Inventor Dieter H. Fischer

Dieter H. Fischer 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: 6123488
    Abstract: A cutting insert is disclosed with triangular shapes imprinted on the top surface of the insert whereby the number of triangular shapes is representative of the cutting range for which the insert will function best. A method for imparting such shapes to the cutting insert is also disclosed.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: September 26, 2000
    Assignee: Kennametal Inc.
    Inventors: James R. Kasperik, Dieter H. Fischer, Terry L. Ashley, James M. Waggle