Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954804 | Rotary potentiometer | Gottfried Berthold, Rudolf Limpert | 1990-09-04 |
| 4555745 | Thick-film capacitor manufactured by printed-circuit techniques | Gisela Westermeir | 1985-11-26 |