HUAN-YU TSAI

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HSINCHU COUNTY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Self-lockable opening and closing mechanism for vacuum cabin door
- Patent number 9,431,280
- Issue date Aug 30, 2016
- KING LAI HYGIENIC MATERIALS CO., LTD
- Huan-Yu Tsai
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
SELF-LOCKABLE OPENING AND CLOSING MECHANISM FOR VACUUM CABIN DOOR
- Publication number 20150152672
- Publication date Jun 4, 2015
- KING LAI HYGIENIC MATERIALS CO., LTD
- HUAN-YU TSAI
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES