Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146819 | Method of monitoring refrigerant level | Walter Demuth, Volker Kirschner, Martin Kotsch, Hans-Joachim Krauss, Hagen Mittelstrass +4 more | 2006-12-12 |
| 6708508 | Method of monitoring refrigerant level | Walter Demuth, Volker Kirschner, Martin Kotsch, Hans-Joachim Krauss, Hagen Mittelstrass +4 more | 2004-03-23 |