Zhi Yun Li

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Jiangsu Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safety syringe
- Patent number 8,690,825
- Issue date Apr 8, 2014
- Sunwell Biotech Co., Ltd.
- Zhi Yun Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SAFETY SYRINGE
- Publication number 20110264040
- Publication date Oct 27, 2011
- Zhi Yun Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE