Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31682 | Process for manufacturing concrete of high corrosion resistance | Olav Kjohl | 1984-09-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31682 | Process for manufacturing concrete of high corrosion resistance | Olav Kjohl | 1984-09-25 |