Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647709 | Anchor bolt anchorable by explosive charge | Bernd Hein, Wilfried Weber, Hans Peter Mehlin | 1997-07-15 |
| 4264029 | Compound material and method for producing same | Rudolf Henne | 1981-04-28 |
| 4210167 | Emission-free valve | Werner Koppe | 1980-07-01 |