Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872952 | Method for manufacturing a board- or sheet-shaped material with a high proportion of glass or mineral wool fibres | — | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872952 | Method for manufacturing a board- or sheet-shaped material with a high proportion of glass or mineral wool fibres | — | 1989-10-10 |