Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422690 | Filtering system | Eric Scharstuhl | 2008-09-09 |
| 6899809 | Water filtering device | Eric Scharstuhl | 2005-05-31 |
| 5895573 | Ultrafiltration device for domestic/drinking water purification | — | 1999-04-20 |
| 5240862 | Process and device for the separation of a body fluid from particulate materials | Dirk M. Koenhen | 1993-08-31 |