Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823748 | Device for opening and closing a closure cap | Hartmut Benckert, Hellmut Hurr | 1998-10-20 |
| 5757088 | Remote control device especially for conveying, spraying and distributing machines for concrete and mortar | Wolf-Michael Petzold | 1998-05-26 |