Marek Sobczyk

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Weston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Glow plug with improved composite sintered silicon nitride ceramic...
- Patent number 5,304,778
- Issue date Apr 19, 1994
- Electrofuel Manufacturing Co.
- Sankar Dasgupta
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES