Assignee
Inventors
- Wai Lam Yung (2 patents)
- Wilfried Alois Anton Bittner (1 patents)
- Yat Wah Lam (4 patents)
- Sai Chak Chan (1 patents)
- Wah Pong Chan (5 patents)
- Kwong Lam Ng (1 patents)
- Thomas Paul Richard Zimmermann (1 patents)
US Patent 7855778 · Granted Dec 21, 2010