York Yuan Chang

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Diamond Bar, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making copper tungsten and copper molybdenum composite...
- Patent number 8,048,366
- Issue date Nov 1, 2011
- Torrey Hills Technologies, LLC
- Dejun Zhu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Process For Making Copper Tungsten And Copper Molybdenum Composite...
- Publication number 20100092327
- Publication date Apr 15, 2010
- Torrey Hills Technologies, LLC
- Dejun Zhu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...