Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113922 | Venetian blind assembly for a window in an inclined roof | Per B. Christensen | 1992-05-19 |
| 4883109 | Roller blind for skylights | — | 1989-11-28 |
| 4846248 | Strap winder, in particular for skylight roller blinds | — | 1989-07-11 |