Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482273 | Preparation of workpieces for cold forming | Klaus-Dieter Nittel | 2002-11-19 |
| 6479439 | Regenerator of acid reaction lubricant residues | Klaus-Dieter Nittel, Norbert Schwinke-Kruse | 2002-11-12 |