Patents Assigned to Botech AG
  • Grinding tool
    Patent number: 6491576
    Abstract: A grinding tool has radially projecting grinding elements separated by spacers. The grinding elements are provided with radially extending slots. Some of the slots are open-ended. Axially spaced slots alternate in different radial positions.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: December 10, 2002
    Assignee: Botech AG
    Inventor: Josef Vogel-Zaugg