Rong Chen

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Nan Hui, CN

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Patents Grantslast 30 patents

Information Patent Grant
Moveable gutter for bowling lanes having illumination sources
- Patent number 7,264,552
- Issue date Sep 4, 2007
- Rong Chen
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Bumper apparatus for bowling lanes
- Publication number 20050288116
- Publication date Dec 29, 2005
- Rong Chen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Moveable gutter for bowling lanes having Illumination sources
- Publication number 20050288117
- Publication date Dec 29, 2005
- Rong Chen
- A63 - SPORTS GAMES AMUSEMENTS