Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329178 | Method in the manufacture of steam-cured light-weight aerated concrete with hydrophobic properties | Oystein Kalvenes, Percy Svensson, Knut Helmersson | 1982-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329178 | Method in the manufacture of steam-cured light-weight aerated concrete with hydrophobic properties | Oystein Kalvenes, Percy Svensson, Knut Helmersson | 1982-05-11 |