Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575074 | Drilling head for an anchor | Kay Heemann, Wolfgang Ludwig, Uwe Bohn | 2009-08-18 |
| 7163070 | Drill head | Wolfgang Ludwig, Erich Leibhard | 2007-01-16 |
| 6645340 | Curable two-component mortar composition and its use | Sascha Dierker, Mechthild Krauter | 2003-11-11 |