Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174389 | Method for treating desulfurization slag | Bertram Fritz, Jürgen Antrekowitsch, Gerald Schneeberger | 2019-01-08 |
| 9261539 | Method for measuring an electrical current and apparatus for this purpose | — | 2016-02-16 |
| 4338552 | Automatic control system for d-c motor | Wolfgang Grater, Hans-Dietrich Mayer | 1982-07-06 |