Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10842425 | Method for the mask-etching of a piercing element | Marzellinus Zipfel | 2020-11-24 |
| 9522566 | Method for the mask-etching of a piercing element | Marzellinus Zipfel | 2016-12-20 |