Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671518 | Methods for producing a mineral wool needle-felt and a mineral wool product using a thixotropic additive | Lothar Bihy, Reinhard Stoyke | 1997-09-30 |
| 5600919 | Mineral wool products for the cultivation of plants | Lothar Bihy | 1997-02-11 |