Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490884 | Process and device for production of oxygen and nitrogen | Herbert Schoenecker | 2002-12-10 |
| 6418753 | Method and device for cryogenic air separation | Gerhard Pompl | 2002-07-16 |
| 6351970 | Method for extracting xenon | Erich Hahn, Wilhelm Rohde | 2002-03-05 |