Bernhard Rothkegel

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Nurnberg, DT

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Patents Grantslast 30 patents

Information Patent Grant
Contact member and method of manufacture
- Patent number 4,008,520
- Issue date Feb 22, 1977
- Siemens Aktiengesellschaft
- Bernhard Rothkegel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making sintered silver-metal oxide electric contact mate...
- Patent number 3,954,459
- Issue date May 4, 1976
- Siemens Aktiengesellschaft
- Horst Schreiner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...