Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637808 | Refill for a ball-point pen and use thereof | Susanne Huettner, Rudolf Liebsch | 2017-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637808 | Refill for a ball-point pen and use thereof | Susanne Huettner, Rudolf Liebsch | 2017-05-02 |