Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556333 | Air-distributor box | — | 1996-09-17 |
| 5257661 | Heat exchanger, especially a heating heat exchanger in engine cooling circuit of a motor vehicle | Stefan Frech | 1993-11-02 |
| 4548355 | Device for regulating heating capacity of a heat exchanger | Albert Stolz, Wolfgang Volz | 1985-10-22 |