Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694712 | Window shade with coil spring drive | Danja Schimko, Melf Hansen | 2010-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694712 | Window shade with coil spring drive | Danja Schimko, Melf Hansen | 2010-04-13 |