Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886339 | Optical article containing a transmission medium exhibiting a high level of second order polarization susceptibility | Michael Scozzafava, Abraham Ulman, Craig S. Willand, David Williams | 1989-12-12 |
| 4876175 | Dye sensitized photographic imaging systems | Chin H. Chen, John L. Fox, Samir Y. Farid | 1989-10-24 |