Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031400 | Retractable frame of projection screen | Shih-Jen Wang, Hsien-Lung Chen | 2011-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031400 | Retractable frame of projection screen | Shih-Jen Wang, Hsien-Lung Chen | 2011-10-04 |