David Walker

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Waukesha, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug having a plastic upper insulator and method of construction
- Patent number 8,680,758
- Issue date Mar 25, 2014
- Federal-Mogul Ignition Company
- Kevin L. Miller
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG HAVING A PLASTIC UPPER INSULATOR AND METHOD OF CONSTRUCTION
- Publication number 20100201245
- Publication date Aug 12, 2010
- Kevin L. Miller
- H01 - BASIC ELECTRIC ELEMENTS