Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315440 | Zoom lens having weak front lens group | Ellis I. Betensky | 1994-05-24 |
| 5309283 | Hybrid, color-corrected, projection TV lens system | — | 1994-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315440 | Zoom lens having weak front lens group | Ellis I. Betensky | 1994-05-24 |
| 5309283 | Hybrid, color-corrected, projection TV lens system | — | 1994-05-03 |