Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8703231 | Lead for painting and method of painting with a lead | Gerhard Lugert, Reiner Appel, Joachim Kinzel | 2014-04-22 |
| 6579530 | Cosmetic powder pencil or powder chalk | Reiner Appel, Joachim Kinzel, Gerhard Lugert | 2003-06-17 |