Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357023 | Helicopter | Chi Pok Billy Wai | 2013-01-22 |
| 8308522 | Flying toy | Kwok Leung Wong | 2012-11-13 |
| 8052500 | Helicopter with main and auxiliary rotors | Chi Pok Billy Wai | 2011-11-08 |
| 8002604 | Remote controlled toy helicopter | Wong Kwok Leung | 2011-08-23 |
| 7971824 | Flying object | — | 2011-07-05 |
| 7883392 | Toy helicopter | Kwok Leung Wong | 2011-02-08 |
| 7815482 | Helicopter | — | 2010-10-19 |
| 7662013 | Helicopter with horizontal control | Chi Pok Billy Wai | 2010-02-16 |
| 7494397 | Helicopter | — | 2009-02-24 |
| D585810 | Helicopter propeller | Chi Pok Billy Wai | 2009-02-03 |
| D583297 | Helicopter rotors | Chi Pok Billy Wai | 2008-12-23 |
| 7467984 | Helicopter | — | 2008-12-23 |
| D582833 | Rotors for helicopter | Chi Pok Billy Wai | 2008-12-16 |
| D582336 | Helicopter blade, shafts and fins | Chi Pok Billy Wai | 2008-12-09 |
| D581856 | Helicopter blade, shafts and fins | Chi Pok Billy Wai | 2008-12-02 |
| D581341 | Helicopter rotor, frame and fins | Chi Pok Billy Wai | 2008-11-25 |
| D580845 | Helicopter | Chi Pok Billy Wai | 2008-11-18 |
| D580343 | Helicopter blades, tail and fins | Chi Pok Billy Wai | 2008-11-11 |
| D579403 | Helicopter propeller rotor | Chi Pok Billy Wai | 2008-10-28 |
| D577392 | Flying object | Chi Pok Billy Wai | 2008-09-23 |
| 7425168 | Toy helicopter | — | 2008-09-16 |
| 7425167 | Toy helicopter | — | 2008-09-16 |
| 7422505 | Toy helicopter | — | 2008-09-09 |
| D576216 | Flying object | Chi Pok Billy Wai | 2008-09-02 |
| D576215 | Helicopter body | Chi Pok Billy Wai | 2008-09-02 |