Clarence Pang Au

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Markham, CA

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Patents Grantslast 30 patents

Information Patent Grant
Concrete forming panel
- Patent number 8,651,449
- Issue date Feb 18, 2014
- Brand Services, LLC
- Clarence Pang Au
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Concrete Forming Panel
- Publication number 20120119061
- Publication date May 17, 2012
- ALUMA SYSTEMS, INC.
- Clarence Pang Au
- E04 - BUILDING