Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152158 | Graphite lead or graphite chalk or graphite block, pencil with graphite lead, and method for producing a graphite lead or graphite chalk or graphite block | Joachim Kinzel, Silke Bachmann, Gerhard Lugert | 2024-11-26 |
| 10711151 | Colored lead or colored chalk, pencil containing a colored lead, and process for preparing a colored lead or colored chalk | Vladimir Barroso, Eder D. J. Merola, Marcel Prado Atassio, Gerhard Lugert | 2020-07-14 |
| 8703231 | Lead for painting and method of painting with a lead | Gerhard Lugert, Harald Von Godin, Joachim Kinzel | 2014-04-22 |
| 8338523 | Thermoplastic molding material and molded body made of the material | Harald Godin, Gerhard Lugert | 2012-12-25 |
| 6579530 | Cosmetic powder pencil or powder chalk | Joachim Kinzel, Harald Von Godin, Gerhard Lugert | 2003-06-17 |