Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676876 | Method for manufacturing components such as heat exchangers, heat absorbers, rocket engines or the like | — | 1987-06-30 |
| 4439684 | Accelerating grid | Johann Hemmerich, Peter Kupschus | 1984-03-27 |