Johannes Brormann

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Botzingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Molds for manufacturing molded glass-articles for precision-optical...
- Patent number 5,028,251
- Issue date Jul 2, 1991
- Schott Glaswerke
- Martin Schinker
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Manufacturing molded glass-articles for precision-optical purposes
- Patent number 4,921,519
- Issue date May 1, 1990
- Schott Glaswerke
- Martin Schinker
- C03 - GLASS MINERAL OR SLAG WOOL