Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993806 | Rear-projection screen | Erik Clausen | 1991-02-19 |
| 4979800 | Rear-projection screen | Erik Clausen | 1990-12-25 |
| 4936652 | Rear projection screen | Erik Clausen | 1990-06-26 |
| 4923280 | Rear-projection screen | Erik Clausen | 1990-05-08 |
| 4636035 | Transparent rear projection screen | Erik Clausen, Holger Jensen, Finnur Sturluson | 1987-01-13 |
| 4561720 | Transparent rear projection screen | Erik Clausen | 1985-12-31 |
| 4509822 | Transparent rear projection screen | Erik Clausen | 1985-04-09 |