Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671518 | Methods for producing a mineral wool needle-felt and a mineral wool product using a thixotropic additive | Hans Kummermehr, Lothar Bihy | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671518 | Methods for producing a mineral wool needle-felt and a mineral wool product using a thixotropic additive | Hans Kummermehr, Lothar Bihy | 1997-09-30 |