Eric HA

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Formed building materials
- Patent number 8,869,477
- Issue date Oct 28, 2014
- Calera Corporation
- Eric Ha
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
FORMED BUILDING MATERIALS
- Publication number 20150000558
- Publication date Jan 1, 2015
- CALERA CORPORATION
- Eric Ha
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
FORMED BUILDING MATERIALS
- Publication number 20120082839
- Publication date Apr 5, 2012
- Eric HA
- B28 - WORKING CEMENT, CLAY, OR STONE