Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980393 | Vibrating screening machine | Rudiger Heinrich, Dieter Takev | 2011-07-19 |
| 7770737 | Screening machine | Rudiger Heinrich, Dieter Takev, Hubert Schulze Eistrup | 2010-08-10 |