Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572295 | Method for making a writing or coloring pencil by triple extrusion and writing or coloring pencil comprising an intermediate protective layer | Ludovic Chochoy, Hélène Baillieu, Jacques Bachelet | 2003-06-03 |