Granted Patent
Utility
US 6,071,163 · App. 09/264,268
Wear-resistant spark plug electrode tip containing platinum alloys, spark plug containing the wear-resistant tip, and method of making same
Inventors:
Chin-Fong Chang, Richard Dale Taylor, Lee Randall Franz, Edgar Arnold Leone, Alex Kozlov
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 8, 1999
Inventors
Chin-Fong Chang
Richard Dale Taylor
Lee Randall Franz
Edgar Arnold Leone
Alex Kozlov
Assignee (at issue)
AlliedSignal, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.