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, Donald P. Specht, Abraham Ulman, David Williams | 1989-12-12 |
| 4796971 | Optical article containing a polymeric matrix exhibiting a high level of second order polarization susceptibility | Douglas R. Robello, Abraham Ulman | 1989-01-10 |