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Patent applications and USPTO patent grants for Clausen; Erik.The latest application filed is for "translucent screen comprising a lens system".
Patent | Date |
---|---|
Translucent screen comprising a lens system Grant 6,710,919 - Clausen March 23, 2 | 2004-03-23 |
Rear-projection screen Grant 4,993,806 - Clausen , et al. February 19, 1 | 1991-02-19 |
Rear-projection screen Grant 4,923,280 - Clausen , et al. May 8, 1 | 1990-05-08 |
Transparent rear projection screen Grant 4,636,035 - Clausen , et al. January 13, 1 | 1987-01-13 |
Transparent rear projection screen Grant 4,561,720 - Clausen , et al. December 31, 1 | 1985-12-31 |
Transparent rear projection screen Grant 4,509,822 - Clausen , et al. April 9, 1 | 1985-04-09 |
Rear Projection Screen And Method Of Making Same Grant 3,779,630 - Clausen , et al. December 18, 1 | 1973-12-18 |
Rear Projection Screen Grant 3,751,135 - Clausen , et al. August 7, 1 | 1973-08-07 |
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