Granted Patent
Utility
US 6,412,465 · App. 09/626,759
Ignition device having a firing tip formed from a yttrium-stabilized platinum-tungsten alloy
Inventors:
James D. Lykowski, Kenneth R. Heuker
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Jul 27, 2000
Inventors
James D. Lykowski
Kenneth R. Heuker
Assignee (at issue)
Federal-Mogul Worldwide, 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.