Thomas Keller

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Gipf-Oberfrick, CH

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Patents Grantslast 30 patents

Information Patent Grant
Gate controlled thyristor driven with low-inductance
- Patent number 6,441,407
- Issue date Aug 27, 2002
- Asea Brown Boveri AG
- Horst Gruning
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Molding for holding heat sinks in a clamped stack
- Patent number 6,140,699
- Issue date Oct 31, 2000
- Asea Brown Boveri AG
- Urs Hildbrand
- H01 - BASIC ELECTRIC ELEMENTS