Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281574 | Sealing profile for concrete tubbing | David Robes | 2025-04-22 |
| 9797818 | Testing device for testing seals having anchoring feet | Mark Fischer, Matthias Stender | 2017-10-24 |