Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12059484 | Method for producing powder leads and products produced therewith | Katrin Hollmann-Raabe, Tamara Segets, Markus Schmitt, Irina Künstler, Stefan Mozer +2 more | 2024-08-13 |
| 11911927 | Wood-encased pencil | Ingolf Kahle, Thomas Heidenreiter | 2024-02-27 |
| 11648185 | Method for producing powder leads and products produced therewith | Katrin Hollmann-Raabe, Tamara Segets, Markus Schmitt, Irina Künstler, Stefan Mozer +2 more | 2023-05-16 |
| 11433017 | Process for producing a wax preparation | Ingolf Kahle, Simona Lebok | 2022-09-06 |
| 7150784 | Pigment-containing gel mass vased on lipids | Reinhard Pinzer | 2006-12-19 |
| 6830610 | Method for increasing the tensile, breaking and flexural strength of colored leads and colored pencils containing the same | Werner Bruchert, Willy Weiss | 2004-12-14 |