Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422690 | Filtering system | Johan Jan Scharstuhl | 2008-09-09 |
| 6899809 | Water filtering device | Johan Jan Scharstuhl | 2005-05-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422690 | Filtering system | Johan Jan Scharstuhl | 2008-09-09 |
| 6899809 | Water filtering device | Johan Jan Scharstuhl | 2005-05-31 |