Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934221 | Timepiece with a date mechanism comprising two superposed date rings | Roger Metzger, Marco Bettelini | 2005-08-23 |
| 6925032 | Timepiece with a date mechanism comprising two superposed date rings | Roger Metzger, Marco Bettelini | 2005-08-02 |