Michael Steffen

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Gauting, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cable drum with integrated frequency converter
- Patent number 6,223,871
- Issue date May 1, 2001
- Wacker-Werke GmbH & Co., KG
- Michael Steffen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric tool with ducted cooled control electronics
- Patent number 6,123,158
- Issue date Sep 26, 2000
- Wacker-Werke GmbH & Co., KG
- Michael Steffen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER