Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335187 | Method and apparatus for dyeing and color matching lenses | Shuzo Koizumi, Toru Kobayashi | 1994-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335187 | Method and apparatus for dyeing and color matching lenses | Shuzo Koizumi, Toru Kobayashi | 1994-08-02 |