Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693202 | Pressure-compensated electrochemical cell | Hans-Dieter Pinter | 1997-12-02 |
| 5660810 | Method and device for delivering hot, aggressive media | Hans-Ulrich Dummersdorf, Helmut Waldmann, Helmut Harle, Franz-Rudolf Minz | 1997-08-26 |