Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364525 | Device for purifying water | Peter Hagqvist, Fredrik Dellby | 1994-11-15 |
| 5320755 | Method and apparatus for purifying water | Peter Hagqvist, Fredrik Dellby | 1994-06-14 |
| 5284424 | Osmotic water purification pumping system with flush valve | Fredrik Dellby, Peter Hagqvist | 1994-02-08 |