Donghua Hu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Puncture-resistant bulletproof and leakproof safety tire and its pr...
- Patent number 8,236,883
- Issue date Aug 7, 2012
- Hailong Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Puncture-resistant bulletproof and leakproof safety tire and its pr...
- Publication number 20100116398
- Publication date May 13, 2010
- Hailong Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL