Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8372216 | Continuous method for treating the surface of metal strips | Guido Vandermeulen, Helmut Witteler, Jessica Neumann, Walter Bertkau, Bernd Laubusch +4 more | 2013-02-12 |
| 4724832 | Size-variable intrauterine pressay and contraceptive device | Karl-Heinz Lurz | 1988-02-16 |