Jo Wei Dun

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Clean room safety shoe article with removal steel toe housing and m...
- Patent number 7,451,553
- Issue date Nov 18, 2008
- Semiconductor Manufacturing International (Shanghai) Corporation
- Jo Wei Dun
- A43 - FOOTWEAR

Patents Applicationslast 30 patents

Information Patent Application
Clean room safety shoe article with removal steel toe housing and m...
- Publication number 20070251125
- Publication date Nov 1, 2007
- Semiconductor Manufacturing International (Shanghai) Corporation
- Jo Wei Dun
- A43 - FOOTWEAR