Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D874704 | Solar light | — | 2020-02-04 |
| D870945 | Solar light | — | 2019-12-24 |
| 5593557 | Electrode consisting of an iron-containing core and a lead-containing coating | David W. Sopher, Andreas Gieseler, Hartmut Hibst, Klaus Harth | 1997-01-14 |
| 5132427 | Process for the preparation of amines | Ulrich Koehler, Hardo Siegel, Matthias Irgang | 1992-07-21 |