Bruno Stenzel

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Hatten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Switch contact with a weight-reduced contact spring
- Patent number 9,589,740
- Issue date Mar 7, 2017
- JOHNSON ELECTRIC OLDENBURG GMBH & CO. KG
- Rolf Bertram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch contact with a weight-reduced contact spring
- Patent number 8,053,693
- Issue date Nov 8, 2011
- Saia-Burgess Oldenburg GmbH & Co., KG
- Rolf Bertram
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SWITCH CONTACT WITH A WEIGHT-REDUCED CONTACT SPRING
- Publication number 20110297520
- Publication date Dec 8, 2011
- Rolf Bertram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCH CONTACT WITH A WEIGHT-REDUCED CONTACT SPRING
- Publication number 20110083947
- Publication date Apr 14, 2011
- Rolf Bertram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switch contact with a weight-reduced contact spring
- Publication number 20080156625
- Publication date Jul 3, 2008
- Rolf Bertram
- H01 - BASIC ELECTRIC ELEMENTS