Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691255 | Man-made vitreous fiber wool | Vermund Rust Christensen | 1997-11-25 |
| 5614449 | Man-made vitreous fibres | — | 1997-03-25 |
| 5614452 | Method of converting asbestos cement into a harmless product | Anders Ulf Clausen, Vermund Rust Christensen | 1997-03-25 |