Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902328 | Method of manufacturing shaped bodies from ceramics or glass | Karl-Georg Knauff | 1990-02-20 |
| 4816051 | Method of manufacturing glass bodies by means of extrusion | Rolf Clasen | 1989-03-28 |