Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466406 | Light guide plate and method for the production thereof | Herbert Groothues, Wangelis Karampougioukis, Stephan Neumayer, Helmut Haering, Berthold Schoenig | 2019-11-05 |
| 10007048 | Light guide body having high luminous intensity and high transparency | Wojciech Pisula, Peter Stein, Christian Roth, Sabine Schwarz-Barac, Heiko ROCHHOLZ +1 more | 2018-06-26 |
| 9201186 | Light guide plate having embedded impurities and method for the production thereof | Christian Roth | 2015-12-01 |
| 8993093 | Coated sheet-like plastic material with reduced tendency to colonization by algae, process for the in-line production thereof and use | Thomas Hasskerl, Wolfgang Scharnke, Martin Berkenkopf, Xin Lu, Uwe Schneider | 2015-03-31 |
| 7629041 | Diffuser disk for LCD applications, method for the production and use thereof | Markus Parusel, Herbert Groothues | 2009-12-08 |
| 7602550 | Stable rear projection screen and method for the production thereof | Markus Parusel, Herbert Groothues | 2009-10-13 |
| 7339732 | Scratch-resistant rear projection screen and method for producing the same | Markus Parusel, Herbert Groothues, Christoph Krohmer, Guenther Dickhaut-Bayer | 2008-03-04 |
| 7064894 | Rear projection screen and method for the production thereof | Markus Parusel, Herbert Groothues, Wolfgang Scharnke, Hans Lorenz, Helmut Haering +1 more | 2006-06-20 |
| 7052161 | Illuminative device | Hans Lichtenstein, Guenther Ittmann, Eduard Albrecht | 2006-05-30 |
| 7046903 | Light-guide body and process for its production | Guenther Ittmann, Hans Lichtenstein, Herbert Groothues | 2006-05-16 |