Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891540 | Soldering work piece, soldering method and heat exchanger | Wolfgang Heeb, Cord Völker | 2011-02-22 |
| 7882827 | Heat exchanger for a combustion engine | Bernd Grünenwald | 2011-02-08 |