Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368623 | Process and apparatus for the continuous production of mineral wool nonwovens | Klemens Hirschmann | 1994-11-29 |
| 5296013 | Process and apparatus for the continuous production of mineral wool nonwovens | Klemens Hirschmann | 1994-03-22 |