Liang-Lin Yen

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Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Spirometer, mouthpiece tube and inspection method thereof
- Patent number 10,863,923
- Issue date Dec 15, 2020
- Chia-Hung Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SPIROMETER, MOUTHPIECE TUBE AND INSPECTION METHOD THEREOF
- Publication number 20180055413
- Publication date Mar 1, 2018
- Chia-Hung Chen
- Chia-Hung Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE