Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264148 | Liquid crystal display devices having an induced cholesteric phase | Gerd Heppke, Feodor Oestreicher | 1981-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264148 | Liquid crystal display devices having an induced cholesteric phase | Gerd Heppke, Feodor Oestreicher | 1981-04-28 |