Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549271 | Anti-slip floortile | Stephen S. Chang | 2023-01-10 |
| 10421314 | Herringbone surface decorative material and manufacturing method thereof | Stephen S. Chang | 2019-09-24 |
| 9562363 | Self bonding floor tile | Shih-Chung Lee | 2017-02-07 |