Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501516 | Anchoring of tension members | Bernhard Kotulla, Martin Weiser, Lothar Preis, Rudolf Schmidt, Eberhard Born | 1985-02-26 |
| 4443132 | Anchoring of tension members | Bernhard Kotulla, Martin Weiser, Lothar Preis, Rudolf Schmidt, Eberhard Born | 1984-04-17 |