Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804106 | Manufacturing method for UV-screening photochromism eye glasses | Cheng Tsu Chen, Huang Lung Shen, Yang Yeh Ho | 1998-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804106 | Manufacturing method for UV-screening photochromism eye glasses | Cheng Tsu Chen, Huang Lung Shen, Yang Yeh Ho | 1998-09-08 |