Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710919 | Translucent screen comprising a lens system | — | 2004-03-23 |
| 6304378 | Rear projection screen assembly having a projection screen with reflecting rib lenses | — | 2001-10-16 |
| 6097539 | Rear projection screen assembly having triangular light dispersing elements | — | 2000-08-01 |
| 4993806 | Rear-projection screen | Johannes Clausen | 1991-02-19 |
| 4979800 | Rear-projection screen | Johannes Clausen | 1990-12-25 |
| 4936652 | Rear projection screen | Johannes Clausen | 1990-06-26 |
| 4923280 | Rear-projection screen | Johannes Clausen | 1990-05-08 |
| 4636035 | Transparent rear projection screen | Johannes Clausen, Holger Jensen, Finnur Sturluson | 1987-01-13 |
| 4561720 | Transparent rear projection screen | Johannes Clausen | 1985-12-31 |
| 4509822 | Transparent rear projection screen | Johannes Clausen | 1985-04-09 |