Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681614 | Method of manufacturing glass bodies | Rolf Clasen | 1987-07-21 |
| 4680047 | Method for the manufacture of glass bodies | Rolf Clasen | 1987-07-14 |
| 4422910 | Method of manufacturing acicular goethite | Wolfgang E. Schnitker, Ernst Klein | 1983-12-27 |