Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145582 | Heat accumulator block for regenerated heat exchanger | Bernd Bolle, Lothar Stufchen, Bernd Hewing | 2000-11-14 |
| 4640067 | Floor board assembly | Bernd Hewing | 1987-02-03 |
| 4338994 | Modular panel heater having improved holder devices | Bernd Hewing | 1982-07-13 |