Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398364 | Off-axis image projection display system | — | 2002-06-04 |
| 6340230 | Method of using a retarder plate to improve contrast in a reflective imaging system | Michael Greenberg, Sean Sullivan | 2002-01-22 |