Helen Hei Ling Chan

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Hong Kong, HK

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Patents Applicationslast 30 patents

Information Patent Application
ROTARY ULTRASOUND IMAGING SYSTEM
- Publication number 20120123272
- Publication date May 17, 2012
- Kwok Ho LAM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Herbal powder extracts and methods of preparing and using the same
- Publication number 20070104727
- Publication date May 10, 2007
- Vita Green Health Products Co., Ltd
- Helen Hei Ling Chan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES