David J. Draeger

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Flushing, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug copper core alloy
- Patent number 6,677,698
- Issue date Jan 13, 2004
- Delphi Technologies, Inc.
- William J. Labarge
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Spark plug copper core alloy
- Publication number 20020074919
- Publication date Jun 20, 2002
- William J. Labarge
- H01 - BASIC ELECTRIC ELEMENTS