Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221880 | Drilling screw | Marco Zach, Ralf Steyer | 2019-03-05 |
| 9194416 | Self-drilling screw and use thereof | Marco Zach, Peter Schmid | 2015-11-24 |
| 9115746 | Screw and thin metal sheet connection produced therewith | Roland Mair | 2015-08-25 |