Joseph M. Yarkovsky

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Sarnia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing green and ceramic foam
- Patent number 4,889,670
- Issue date Dec 26, 1989
- BASF Aktiengesellschaft
- Nur R. Gurak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES