Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710607 | Plasma burner with replaceable consumable electrodes | Herbert Wilhelmi, Dieter Zollner, Inge Lauterbach-Dammler, Thomas Taube, Friedrich Rittman | 1987-12-01 |
| 4675878 | Method and device for the melting and heating of materials | Herbert Wilhelmi, Claudio Conradty, Dieter Zollner, Inge Lauterbach-Dammler, Friedrich Rittmann | 1987-06-23 |