Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11474776 | Display-based audio splitting in media environments | — | 2022-10-18 | $11,317,000 |
| 9914656 | Self-sinking aeration hose | Tak Kwong Kwan | 2018-03-13 | |
| 9915390 | Self-sinking aeration hose | Tak Kwong Kwan | 2018-03-13 | |
| 9896362 | Self-sinking aeration hose | Tak Kwong Kwan | 2018-02-20 | |
| 9832978 | Self-sinking aeration hose | Tak Kwong Kwan | 2017-12-05 | |
| 9764972 | Self-sinking aeration hose | Tak Kwong Kwan | 2017-09-19 | |
| 9758659 | Self-sinking and air permeable plastic material | Tak Kwong Kwan | 2017-09-12 | |
| 9758660 | Self-sinking and air permeable plastic material | Tak Kwong Kwan | 2017-09-12 | |
| 9758661 | Self-sinking and air permeable plastic material | Tak Kwong Kwan | 2017-09-12 | |
| 9631080 | Self-sinking and air permeable plastic material | Tak Kwong Kwan | 2017-04-25 | |
| 9631079 | Self-sinking and air permeable plastic material | Tak Kwong Kwan | 2017-04-25 |