Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7522476 | Calendar mechanism for displaying the date and the day of the week in one timepiece | Marco Bettelini | 2009-04-21 |
| 7433271 | Calendar mechanism for displaying the date and the day of the week in one timepiece | Marco Bettelini | 2008-10-07 |