Norbert Treber

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Kriftel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Quartz glass envelope tube
- Patent number 4,437,727
- Issue date Mar 20, 1984
- Heraeus Quarzschmelze GmbH
- Norbert Treber
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing synthetic quartz glass
- Patent number RE30883
- Issue date Mar 16, 1982
- Heraeus Quarzscmelze GmbH
- Karlheinz Rau
- 065 - Glass manufacturing
Information Patent Grant
Method for the production of semiproduct for the production of ligh...
- Patent number 4,235,615
- Issue date Nov 25, 1980
- Heraeus Quartzschmelze GmbH
- Karlheinz Rau
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Light conducting fiber
- Patent number 4,165,915
- Issue date Aug 28, 1979
- Heraeus Quarzschmelze GmbH
- Karlheinz Rau
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing synthetic quartz glass, apparatus for the pract...
- Patent number 4,162,908
- Issue date Jul 31, 1979
- Heraeus Quarzschmelze GmbH
- Karlheinz Rau
- C03 - GLASS MINERAL OR SLAG WOOL