Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216927 | Gypsum-containing construction material compounds | Peter Fritze | 2015-12-22 |
| 5077639 | Circuit plate for the optimal decoupling of circuits with digital IC's | Manfred Haller, Christian Dirks | 1991-12-31 |