Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753135 | Light string system | Chung-Wai (Paul) Cheng, Yong Fu, Hou-You Han | 2014-06-17 |
| 8640275 | Cleaning systems and methods for cleaning containers having non-vertical sidewalls | Gary Lawson, Chung-Wai (Paul) Cheng | 2014-02-04 |
| 8469538 | Inflatable decorative structure with a light system and a diffusing member | — | 2013-06-25 |
| 8430205 | Pool ladder safety system | — | 2013-04-30 |
| 8419455 | Light string system | Chung-Wai (Paul) Cheng, Yong Fu, Hou-You Han | 2013-04-16 |
| 8235737 | Light string system | Chung-Wai (Paul) Cheng, Yong Fu, Hou-You Han | 2012-08-07 |