Hans-Georg Burckhardt

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Resistor composition and its use
- Patent number 5,244,601
- Issue date Sep 14, 1993
- W. C. Heraeus GmbH
- Hans-Georg Burckhardt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Oxides of the pyrochlore family and electrically resistant material...
- Patent number 5,069,824
- Issue date Dec 3, 1991
- W. C. Heraeus GmbH
- Inge Blanke
- C01 - INORGANIC CHEMISTRY