Shu-Yin SUN

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Draining device adapted to be disposed within a drain port
- Patent number 6,319,397
- Issue date Nov 20, 2001
- Shu-Yin SUN
- Chung-Hsin Su
- E03 - WATER SUPPLY SEWERAGE