Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799770 | Liquid crystal cell for image projections and method of operating same | Frederick J. Kahn, Jerry Leff | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799770 | Liquid crystal cell for image projections and method of operating same | Frederick J. Kahn, Jerry Leff | 1989-01-24 |