Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637158 | Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel | Norbert Arnold, Bernd Hein | 1997-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637158 | Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel | Norbert Arnold, Bernd Hein | 1997-06-10 |