Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636657 | Tap head for beverage containers or barrels | Detlef Obier | 1997-06-10 |
| 5526965 | Safety device for a beverage container valve inset | Detlef Obier, Stefan Busenbach, Gunter Frauenkron | 1996-06-18 |