Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061938 | Microstrip antenna | Rudolf Zahn, Hans W. Schroeder, Albert Braig, Gunter Helwig, Joachim Boukamp +3 more | 1991-10-29 |
| 4987425 | Antenna support structure | Rudolf Zahn, Hans W. Schroeder, Albert Braig, Gunter Helwig, Kay Dittrich | 1991-01-22 |
| 4482882 | Moisture sensor with valve metal composition electrodes | Ernst Luder, Traugott Kallfass | 1984-11-13 |