Siegbert Schwab

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Maichingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug with creepage spark gap
- Patent number 4,870,319
- Issue date Sep 26, 1989
- Robert Bosch GmbH
- Walter Benedikt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-gap spark plug for internal combustion engines
- Patent number 4,798,991
- Issue date Jan 17, 1989
- Robert Bosch GmbH
- Walter Benedikt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ignition plug for internal combustion engines
- Patent number 4,746,834
- Issue date May 24, 1988
- Robert Bosch GmbH
- Adalbert Bauerle
- H01 - BASIC ELECTRIC ELEMENTS