Darrell Ting-Cheung Hui

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 9,021,668
- Issue date May 5, 2015
- Darrell Ting-Cheung Hui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20140352120
- Publication date Dec 4, 2014
- Darrell Ting-Cheung Hui
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE