Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539800 | Tank-locking device, system for managing liquid supply and method using the same | Yen-Liang Chen, Yuh-Shyang Su | 2013-09-24 |
| 8311669 | Tank-locking device, system for managing liquid supply and method using the same | Yen-Liang Chen, Yuh-Shyang Su | 2012-11-13 |
| 8140184 | Tank-locking device, system for managing liquid supply and method using the same | Yen-Liang Chen, Yuh-Shyang Su | 2012-03-20 |