Issued Patents 2017
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832978 | Self-sinking aeration hose | Hang Bi | 2017-12-05 |
| 9764972 | Self-sinking aeration hose | Hang Bi | 2017-09-19 |
| 9758661 | Self-sinking and air permeable plastic material | Hang Bi | 2017-09-12 |
| 9758660 | Self-sinking and air permeable plastic material | Hang Bi | 2017-09-12 |
| 9758659 | Self-sinking and air permeable plastic material | Hang Bi | 2017-09-12 |
| 9631079 | Self-sinking and air permeable plastic material | Hang Bi | 2017-04-25 |
| 9631080 | Self-sinking and air permeable plastic material | Hang Bi | 2017-04-25 |