Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655832 | Structural component made of hard material for a wristwatch | Michael Bach, Christophe Guerry | 2003-12-02 |
| 6502982 | Structural component made of hard material for a wristwatch | Michael Bach, Christophe Guerry | 2003-01-07 |