Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8240322 | Splash-proof umbrella structure | Tzu-Cheng Chang, Chin-Sen Hsieh | 2012-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8240322 | Splash-proof umbrella structure | Tzu-Cheng Chang, Chin-Sen Hsieh | 2012-08-14 |