Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818267 | Apparatus for withdrawing a sample from a glass melting furnace | — | 1989-04-04 |
| 4635570 | Arrangement for vitrifying radioactive liquid waste | Eckhart Ewest, Gustav Mertens | 1987-01-13 |