Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387173 | Composition and method to prepare a concrete composition | Hans Bergqvist, Ulf Skarp | 2002-05-14 |
| 6379500 | Silica-based sols | Magnus Linsten, Hans Johansson-Vestin | 2002-04-30 |