Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905148 | Photochromic spirooxazine polysiloxanes | Valeri Krongauz, Alexander Zelichonok, Judith Ratner | 1999-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905148 | Photochromic spirooxazine polysiloxanes | Valeri Krongauz, Alexander Zelichonok, Judith Ratner | 1999-05-18 |