Yun-Jui Yang

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New Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Cement surface grinding device
- Patent number 11,654,523
- Issue date May 23, 2023
- Shun-Jhong Li
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
EASY-DETACHABLE GRINDING DEVICE FOR CEMENT WALK-BEHIND TROWEL MACHINE
- Publication number 20230256557
- Publication date Aug 17, 2023
- Yun-Jui Yang
- B24 - GRINDING POLISHING