Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592286 | Fixing member for use with a setting material | Cord-Henrick Surberg, Marcel John, Ralf Laternser, Pietro Bianchi, Gerhard Kock | 2003-07-15 |
| 6543977 | Concrete anchor bolt | Bernhard Sander, Joachim Gunther, Marcel John, Pietro Bianchi, Erich Wisser | 2003-04-08 |