Yu-Ren Liu

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Chang-Hua Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a steel tire mold
- Patent number 6,799,371
- Issue date Oct 5, 2004
- Yu-Ren Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Tire structure for a bicycle
- Publication number 20030178115
- Publication date Sep 25, 2003
- Yu-Ren Liu
- B60 - VEHICLES IN GENERAL
Information Patent Application
Tire structure
- Publication number 20020108690
- Publication date Aug 15, 2002
- Yu-Ren Liu
- B60 - VEHICLES IN GENERAL
Information Patent Application
Combination of a tire and a wheel rim
- Publication number 20020074070
- Publication date Jun 20, 2002
- Yu-Ren Liu
- B60 - VEHICLES IN GENERAL