Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316208 | Pencil for writing or colouring | Philippe Lefebvre | 2019-06-11 |
| 10308063 | Paper pencil lead | Frédéric Claptien, Philippe Lefebvre | 2019-06-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316208 | Pencil for writing or colouring | Philippe Lefebvre | 2019-06-11 |
| 10308063 | Paper pencil lead | Frédéric Claptien, Philippe Lefebvre | 2019-06-04 |