Chung Zhi Jie

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Guang Zhou Shi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Airfoil blade with cushioned edge for powered toy aircraft
- Patent number 6,960,112
- Issue date Nov 1, 2005
- Mattel, Inc.
- David Vincent Helmlinger
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Airfoil blade with cushioned edge for powered toy aircraft
- Publication number 20060038057
- Publication date Feb 23, 2006
- Mattel, Inc.
- David Vincent Helmlinger
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Airfoil blade with cushioned edge for powered toy aircraft
- Publication number 20050037685
- Publication date Feb 17, 2005
- Mattel, Inc.
- David Vincent Helmlinger
- A63 - SPORTS GAMES AMUSEMENTS