Chiang-Han Tsai

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Tainan Hsein, TW

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Patents Grantslast 30 patents

Information Patent Grant
Backpack convertible to a stretcher
- Patent number 6,948,203
- Issue date Sep 27, 2005
- Chiang-Han Tsai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Backpack convertible to a stretcher
- Publication number 20040221392
- Publication date Nov 11, 2004
- Chiang-Han Tsai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE