Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936119 | Method for producing metallic, non-rotationally symmetrical rings with a constant wall thickness over their circumference | Wilfried Forster, Dieter Wamser, Roland Stephan | 2005-08-30 |
| 6644151 | Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpieces | Wilfried Forster, Roland Stephan | 2003-11-11 |
| 6615632 | Parting tool | Roland Stephan, Wilfried Forster | 2003-09-09 |
| 4413585 | Process and arrangement for applying and drying liquid lubricant | Harri Weinhold, Heinz Vogel, Bernhard Kurze, Dieter Rauschenbach, Roland Hering +2 more | 1983-11-08 |