Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359398 | Liquid crystal compositions with novel tris-azo dichroic dyes | Herbert S. Cole, Jr. | 1982-11-16 |
| 4350603 | Novel tris-azo dyes and liquid crystal compositions made therewith | Herbert S. Cole, Jr. | 1982-09-21 |
| 4315668 | Permeation barrier for display cells | Erwin C. Buschmann, Kenneth Quochuy Lao | 1982-02-16 |