Chun Lung Cheng

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La Verne, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective case hinge structure
- Patent number 6,772,905
- Issue date Aug 10, 2004
- Chun Lung Cheng
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Case hinge structure
- Publication number 20030098313
- Publication date May 29, 2003
- Chun Lung Cheng
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL