Issued Patents All Time
| 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, Lucien Foscarin | 2003-06-03 |
| 5244297 | Process for manufacturing pencil by tri-extrusion and the produced pencil having an intermediate protective casing | Philippe Chavatte, Guy Chochoy, Jose Duez, Claude Fouble, Didier Lange | 1993-09-14 |