Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197077 | Apparatus for use in manufacturing of cellular lightweight concrete slabs | Oystein Kalvenes, Percy Svensson, Rolf E. Goransson | 1980-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197077 | Apparatus for use in manufacturing of cellular lightweight concrete slabs | Oystein Kalvenes, Percy Svensson, Rolf E. Goransson | 1980-04-08 |