Sun-Feng Sung

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Changhua Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Windbreak and air-ventilating folding umbrella
- Patent number 6,601,597
- Issue date Aug 5, 2003
- Sun-Feng Sung
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
Windbreak and air-ventilating folding umbrella
- Publication number 20030041888
- Publication date Mar 6, 2003
- Sun-Feng Sung
- A45 - HAND OR TRAVELLING ARTICLES