Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061938 | Microstrip antenna | Rudolf Zahn, Hans W. Schroeder, Christian Borgwardt, Albert Braig, Gunter Helwig +3 more | 1991-10-29 |
| 4922254 | Topographic mapping | Harald Schuessler | 1990-05-01 |