Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543977 | Concrete anchor bolt | Bernhard Sander, Marcel John, Michael Siemers, Pietro Bianchi, Erich Wisser | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543977 | Concrete anchor bolt | Bernhard Sander, Marcel John, Michael Siemers, Pietro Bianchi, Erich Wisser | 2003-04-08 |