TECH4U DYNAMICS INC.

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Track barcode systems for railroad management
- Patent number 9,045,151
- Issue date Jun 2, 2015
- TECH4U Dynamics Inc.
- Shizhong Duan
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Track Barcode Systems for Railroad Management
- Publication number 20140367462
- Publication date Dec 18, 2014
- TECH4U DYNAMICS INC.
- Shizhong Duan
- B61 - RAILWAYS

Trademarklast 30 trademarks