Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468143 | Gas-fueled infrared heater | Horst Weber | 1995-11-21 |
| 5391338 | Manufacture of a carbon particle filter | Wolfgang Bandel, Helmut Daudel, Gerhard Griebling, Friedrich Sperling | 1995-02-21 |