Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9738961 | Copper-nickel-zinc alloy containing silicon | Hans-Achim Kuhn | 2017-08-22 |
| 9637808 | Refill for a ball-point pen and use thereof | Susanne Huettner, Timo ALLMENDINGER | 2017-05-02 |
| 9617629 | Copper-nickel-zinc alloy containing silicon | Hans-Achim Kuhn | 2017-04-11 |