Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117343 | Reflector arrangement | Gerhard Stempel | 1992-05-26 |
| 4562383 | Converter | Armin Kroning | 1985-12-31 |
| 4481460 | Inverter with charging regulator having a variable keying ratio | Armin Kroning, Peter Krummel | 1984-11-06 |