Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699847 | Motorized roll-up device for venetian blinds | Jean De Chevron Villette, Jean-Michel Perache | 1997-12-23 |
| 5645118 | Device for winding the suspension cord of blinds | — | 1997-07-08 |