Rudolf Eckardt

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Wesel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for quench-tempering shaped glass
- Patent number 4,519,829
- Issue date May 28, 1985
- Flachglas Aktiengesellschaft
- Horst Spittka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of and apparatus for vacuum shaping a glass sheet
- Patent number 4,516,997
- Issue date May 14, 1985
- Flachglas Aktiengesellschaft
- Paul Derner
- C03 - GLASS MINERAL OR SLAG WOOL