Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12056318 | Black colored object having an electromagnetic or electric field function | — | 2024-08-06 |
| 5957100 | Method for manufacturing a cylinder head cover for a combustion engine and a cylinder head cover | Ralf Frohwerk, Heike Hohn, Rolf Johnen | 1999-09-28 |
| 4904390 | Method for varying the capacity of an ion exchanger for a specific chemical element | Werner Schweighofer, Christian M. Z. Schwabedissen, Brigitte Siewert-Posielek, Karl Habeck | 1990-02-27 |
| 4527913 | Gear shift lever assembly | — | 1985-07-09 |