Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911547 | Decorative products and the production methods therefor | Ching Wah Man, Lai Kit Lau | 2014-12-16 |
| 8020499 | Apparatus and method for pyrolysis of scrap tyres and the like | Wai Tak Chu, Chi Wai Hui, Bai Ru He, Zhi-Qiang WU, Chin Man Lee | 2011-09-20 |