Jenhao Dai

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Rib structure of an inverse folding umbrella
- Patent number 9,629,426
- Issue date Apr 25, 2017
- Jenhao Dai
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Reverse folding umbrella
- Patent number 9,486,044
- Issue date Nov 8, 2016
- Jenhao Dai
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
HAND-PUSH ROTATING UMBRELLA
- Publication number 20180295955
- Publication date Oct 18, 2018
- Jenny Fan
- Jenhao Dai
- A45 - HAND OR TRAVELLING ARTICLES