Randy Cheng

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San Gabriel, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Remote control with gyro-balancer control
- Publication number 20130309939
- Publication date Nov 21, 2013
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Air swimming toy with steering device
- Publication number 20130252508
- Publication date Sep 26, 2013
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Air swimming toy with driving device
- Publication number 20130252502
- Publication date Sep 26, 2013
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Air swimming toy with driving device
- Publication number 20130252505
- Publication date Sep 26, 2013
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Shooting device for RC helicopter
- Publication number 20120258645
- Publication date Oct 11, 2012
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Foldable rotor blade for toy helicopter
- Publication number 20110253831
- Publication date Oct 20, 2011
- Randy Cheng
- A63 - SPORTS GAMES AMUSEMENTS