Donald R. Gregg

Follow

Person

Weston, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Spark plug having improved ground electrode orientation and method...
- Patent number 9,236,713
- Issue date Jan 12, 2016
- Federal-Mogul Corporation
- Patrick M. Gfell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug having improved ground electrode orientation and method...
- Patent number 8,866,369
- Issue date Oct 21, 2014
- Federal-Mogul Ignition Company
- Patrick M. Gfell
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG HAVING IMPROVED GROUND ELECTRODE ORIENTATION AND METHOD...
- Publication number 20160049772
- Publication date Feb 18, 2016
- FEDERAL-MOGUL IGNITION COMPANY
- Patrick M. Gfell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG HAVING IMPROVED GROUND ELECTRODE ORIENTATION AND METHOD...
- Publication number 20150091433
- Publication date Apr 2, 2015
- FEDERAL-MOGUL IGNITION COMPANY
- Patrick M. Gfell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG HAVING IMPROVED GROUND ELECTRODE ORIENTATION AND METHOD...
- Publication number 20120274200
- Publication date Nov 1, 2012
- Patrick M. Gfell
- H01 - BASIC ELECTRIC ELEMENTS