Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373392 | Photochromic light control mirror | — | 1994-12-13 |
| 5369525 | Ring lens assembly for an optical viewing device | Xiaohui Ning | 1994-11-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373392 | Photochromic light control mirror | — | 1994-12-13 |
| 5369525 | Ring lens assembly for an optical viewing device | Xiaohui Ning | 1994-11-29 |