Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340226 | Process for the production of a pencil stick, a stick produced by the process and a pencil having such a stick | Ulrich Griebel, Claudia Kraska | 1994-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340226 | Process for the production of a pencil stick, a stick produced by the process and a pencil having such a stick | Ulrich Griebel, Claudia Kraska | 1994-08-23 |