Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624532 | Dichroic liquid crystal compositions containing anthraquinone-based dyes | Herbert S. Cole, Jr. | 1986-11-25 |
| 4356102 | Dichroic liquid crystal compositions containing anthraquinone-based dyes | Herbert S. Cole, Jr. | 1982-10-26 |