Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939890 | Tweezer probe and arm therefor | Claus Kohen, Rolf Heuchert, Steffen Zierau | 1999-08-17 |
| 5914612 | Tweezer probe and arm therefor | Claus Koken, Rolf Heuchert, Steffen Zierau | 1999-06-22 |