Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457826 | Lead refill for writing, drawing and/or painting devices and method for the production thereof | — | 2019-10-29 |
| 8747003 | Writing, drawing, decorating or cosmetic pencil | Andreas Thies, Nikolas Lins, Christine Delapierre-Kohl, Martin Jakob, Harald Lang +1 more | 2014-06-10 |