Wen Chang

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Chain saw
- Patent number 10,376,973
- Issue date Aug 13, 2019
- CHEVRON (HK) LIMITED
- Fangjie Nie
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CHAIN SAW
- Publication number 20170043421
- Publication date Feb 16, 2017
- CHERVON (HK) LIMITED
- Fangjie Nie
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR