Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551370 | Anchoring sleeve | Josef Glogger, Herbert Ginter | 2017-01-24 |
| 8146681 | Drilling tool and drilling method | Kay Heemann, Wolfgang Ludwig | 2012-04-03 |
| 7575074 | Drilling head for an anchor | Kay Heemann, Wolfgang Ludwig, Roland Gienau | 2009-08-18 |