Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644151 | Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpieces | Roland Stephan, Joachim Schlegel | 2003-11-11 |
| 6615632 | Parting tool | Roland Stephan, Joachim Schlegel | 2003-09-09 |
| 6536314 | Device for continuous chipless separation of single identical rings from tubular workpieces | Roland Stephan, Dr.-Ing. Joachim Schlegel | 2003-03-25 |
| 6502486 | Method for producing steel rolling bearing rings | Karl Tenbrack, Roland Stephan, Herbert Sommerfeld | 2003-01-07 |