Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686931 | Device for displaying colors produced by controllable cholesteric color filters | Jurg Funfschilling, Hubert Seiberle | 1997-11-11 |
| 5681504 | Optically active tolanes | Richard Buchecker, Guy Marck | 1997-10-28 |
| 5676880 | Ferroelectric liquid crystal cell | Leonid A. Beresnev, Nina I. Chernova, Vladimir Grigorievich Chigrinov, Dmitry I. Dergachev, Alexander Vasilievich Ivashchenko +5 more | 1997-10-14 |
| 5637255 | Chiral dioxolanes | Stephen Kelly | 1997-06-10 |
| 5602661 | Optical component | Klaus Schmitt | 1997-02-11 |