Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625423 | Method for obtaining pure copper | Hartwig Kaschub | 2009-12-01 |
| 5820353 | Apparatus and process for operating jet pump from which a driving medium exits at supersonic speed | Alfred E. Beylich | 1998-10-13 |