Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332600 | Method for making silica fibers | Hans Zengel, Walter Brodowski, Heinz Beck, Ernst Seeberger, Gerhard Steenken +1 more | 1982-06-01 |
| 4332601 | Method for making silica fibers | Hans Zengel, Walter Brodowski, Heinz Beck, Ernst Seeberger, Gerhard Steenken +1 more | 1982-06-01 |