Choi; Kei Fung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Kei Fung.The latest application filed is for "propulsion of a flying toy".
- Choi; Kei Fung - Causeway Bay HK
- Choi; Kei Fung - Quarry Bay HK
- Choi; Kei Fung - Hong Kong CN
- Choi, Kei Fung - Causcway Bay HK
- Choi; Kei-Fung - Chai Wan HK
| Patent | Date |
|---|---|
| Propulsion Of A Flying Toy App 20220062781 - Wong; Kwok Leung ; et al. | 2022-03-03 |
| Filaments having changeable shape for a toy or accessory Grant 10,786,747 - Choi , et al. September 29, 2 | 2020-09-29 |
| Following Robot App 20200215447 - Choi; Kei Fung | 2020-07-09 |
| Filaments Having Changeable Shape For A Toy Or Accessory App 20200023284 - Choi; Kei Fung ; et al. | 2020-01-23 |
| Propulsion system for model airplane Grant 7,789,340 - Choi September 7, 2 | 2010-09-07 |
| Programmable flying object Grant 7,628,671 - Choi December 8, 2 | 2009-12-08 |
| Flying Object With Tandem Rotors App 20090117812 - Van de Rostyne; Alexander Jozef Magdalena ; et al. | 2009-05-07 |
| Flying Object With Tandem Rotors App 20090047862 - Van de Rostyne; Alexander Jozef Magdalena ; et al. | 2009-02-19 |
| Flying Object With Tandem Rotors App 20080299867 - Van de Rostyne; Alexander Jozef Magdalena ; et al. | 2008-12-04 |
| Propulsion System for Model Airplane App 20080265088 - Choi; Kei Fung | 2008-10-30 |
| Spatial navigation system and method for programmable flying objects Grant 7,407,424 - Choi August 5, 2 | 2008-08-05 |
| Toy racing game Grant 7,347,764 - Choi March 25, 2 | 2008-03-25 |
| Flying Object With Tandem Rotors App 20070181742 - Van de Rostyne; Alexander Jozef Magdalena ; et al. | 2007-08-09 |
| Spatial navigation system and method for programmable flying objects App 20060155508 - Choi; Kei Fung | 2006-07-13 |
| Propulsion system for model airplane Grant 7,073,750 - Choi July 11, 2 | 2006-07-11 |
| Toy for producing bubbles Grant 7,059,930 - Choi June 13, 2 | 2006-06-13 |
| Generator for encapsulating a fluid within a bubble App 20060116048 - Choi; Kei Fung | 2006-06-01 |
| Programmable flying object App 20060113428 - Choi; Kei Fung | 2006-06-01 |
| Toy racing game App 20050176510 - Choi, Kei Fung | 2005-08-11 |
| Toy for producing bubbles App 20040142626 - Choi, Kei Fung | 2004-07-22 |
| Rechargeable system for movable toy Grant 6,762,586 - Choi July 13, 2 | 2004-07-13 |
| Rechargeable system for movable toy App 20040090206 - Choi, Kei Fung | 2004-05-13 |
| Interactive toys Grant 6,682,387 - Choi January 27, 2 | 2004-01-27 |
| Programmable toy and game Grant 6,645,037 - Choi November 11, 2 | 2003-11-11 |
| Computerized toy Grant 6,620,024 - Choi September 16, 2 | 2003-09-16 |
| Interactive toys App 20020077024 - Choi, Kei Fung | 2002-06-20 |
| Programmable toy with remote control Grant 6,390,883 - Choi May 21, 2 | 2002-05-21 |
| Computerized toy App 20010049248 - Choi, Kei Fung | 2001-12-06 |
| Programmable toy Grant 6,250,987 - Choi June 26, 2 | 2001-06-26 |
| Programmable toy with an independent game cartridge Grant 6,083,104 - Choi July 4, 2 | 2000-07-04 |
| Programmable toy Grant 5,908,345 - Choi June 1, 1 | 1999-06-01 |
| Toy building system Grant 5,681,201 - Choi October 28, 1 | 1997-10-28 |
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