Gerhard Melcher

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a mainly inorganic foam, and thus produced ma...
- Patent number 5,976,718
- Issue date Nov 2, 1999
- Gerhard Melcher
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing a mainly inorganic foam, and thus produced ma...
- Patent number 5,773,376
- Issue date Jun 30, 1998
- Gerhard Melcher
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES