LONG-FEI LIU

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Grinding and polishing device
- Patent number 11,839,949
- Issue date Dec 12, 2023
- TRIPLE WIN TECHNOLOGY(SHENZHEN) CO. LTD.
- Long-Fei Liu
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
GRINDING AND POLISHING DEVICE
- Publication number 20220126415
- Publication date Apr 28, 2022
- TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD.
- LONG-FEI LIU
- B24 - GRINDING POLISHING
Information Patent Application
VACUUM SUCTION PEN AND METHOD FOR USING THE SAME
- Publication number 20210379771
- Publication date Dec 9, 2021
- TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD.
- YAO-WEI HONG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS