Feihao Xu

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Yongkang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electric drill forward and reverse rotation automatic switching app...
- Patent number 8,973,455
- Issue date Mar 10, 2015
- Zhejiang University
- Feihao Xu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electric Drill Forward And Reverse Rotation Automatic Switching App...
- Publication number 20130305860
- Publication date Nov 21, 2013
- ZHENGYANG INDUSTRY & INVESTMENT CO., LTD.
- Feihao Xu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR