Yulong WU

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Xiamen, Fujian Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Angle-adjustable positioning and self-closing hinge for highly seal...
- Patent number 10,829,975
- Issue date Nov 10, 2020
- TONGGUAN (XIAMEN) ELECTRONIC TECHNOLOGY CO., LTD.
- Yulong Wu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Adjustable-angular positioning and self-closing hinges
- Patent number 10,604,978
- Issue date Mar 31, 2020
- TONGGUAN (XIAMEN) ELECTRONIC TECHNOLOGY CO., LTD.
- Yulong Wu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
ANGLE-ADJUSTABLE POSITIONING AND SELF-CLOSING HINGE FOR HIGHLY SEAL...
- Publication number 20180291663
- Publication date Oct 11, 2018
- TONGGUAN (XIAMEN) ELECTRONIC TECHNOLOGY CO.,LTD.
- Yulong WU
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES