Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325218 | Cholesteric polarizer for liquid crystal display and overhead projector | Stephen J. Willett | 1994-06-28 |
| 5302985 | Overhead projector for LCD panel | James K. Kennedy, Michael C. Sweaton | 1994-04-12 |