Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858251 | Process and device for the preparation of sulfuric acid | Holger Thielert | 2020-12-08 |
| 10647577 | Method and device for producing sulfuric acid | Holger Thielert | 2020-05-12 |