Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602662 | Cholesteric liquid crystal devices | Charles Rosenblatt, Michael R. Fisch, Rolfe G. Petschek | 1997-02-11 |
| 5477358 | Chiral nematic liquid crystal display with homeotropic alignment and negative dielectric anisotropy | Charles Rosenblatt, Michael R. Fisch, Rolfe G. Petschek | 1995-12-19 |