Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328499 | Screwed connection for threaded rods | Henri Reding | 2001-12-11 |
| 4671034 | End-anchoring device for anchoring at least one bar made from a fibrous compound material and being used as tendon in pre-stressed concrete construction | Lutz Franke | 1987-06-09 |
| 4448002 | End-anchoring device for anchoring at least one bar made from a fibrous compound material and being used as tendon in pre-stressed concrete construction | Lutz Franke | 1984-05-15 |