David Samuel Leon CHUANG

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Safety-enhanced needle-free injector
- Patent number 11,690,957
- Issue date Jul 4, 2023
- MIRACLE MANAGEMENT PTE LTD
- Ping Derg Chuang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SAFETY-ENHANCED NEEDLE-FREE INJECTOR
- Publication number 20200046902
- Publication date Feb 13, 2020
- MIRACLE MANAGEMENT PTE LTD
- Ping Derg CHUANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE