Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D475621 | Round stackable container | Wai Fun (Bill) Cheng, Yin Yeung (Michael) Lai | 2003-06-10 |
| D470048 | Rectangular fluted stackable container | Wai Fun (Bill) Cheng, Yin Yeung (Michael) Lai | 2003-02-11 |
| D469689 | Rectangular stackable container | Wai Fun (Bill) Cheng, Yin Yeung (Michael) Lai | 2003-02-04 |
| 5816484 | Food container | Wai Fun (Bill) Cheng, Nelson Young, Michael Lai | 1998-10-06 |
| 5489063 | Food container | Wai Fun (Bill) Cheng, Michael Lai, Nelson Yeung | 1996-02-06 |