Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961897 | Manufacture of man-made vitreous fiber products | Flemming Weiss Tonder | 1999-10-05 |
| 5614452 | Method of converting asbestos cement into a harmless product | Vermund Rust Christensen, Soren Lund Jensen | 1997-03-25 |