Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673449 | Flow compensation device for bridge pillars | Nils Johansson | 1997-10-07 |
| 5612983 | Device for filtering water to an emergency cooling system in a nuclear power plant | Johan Sjostrand | 1997-03-18 |