Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651484 | Device for measuring the specific density of a gaseous or liquid medium | Alf Puettmer | 2003-11-25 |
| 6637267 | Diagnostic system and method, especially for a valve | Gerhard Klebert, Alf Puettmer | 2003-10-28 |