Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539241 | Procedure for manufacturing a building element, and the building element | Antti Sipponen, Tuomo Toivola | 1985-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539241 | Procedure for manufacturing a building element, and the building element | Antti Sipponen, Tuomo Toivola | 1985-09-03 |