Patents by Inventor Eugen Valerius

Eugen Valerius 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).

  • Cutting tool insert
    Patent number: D308387
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: June 5, 1990
    Assignee: Kennametal Inc.
    Inventor: Eugen Valerius