Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384657 | Contactless elevator control system and method | Lawrence Chi-Kin Poon, Edmond Chung-Man Chan | 2025-08-12 |
| 11473254 | Traffic cones and traffic cone lanterns placement and collection system and a method | Terrie Kwok Chuen Hung, Ying Luen Au, Tat Ngong Chan, Chi Kin Poon, Wing Fung Yip +1 more | 2022-10-18 |