Granted Patent
Utility
US 6,049,161 · App. 09/168,147
Installation configuration for a spark plug
Inventor:
James D. Lykowski
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Oct 8, 1998
Inventor
James D. Lykowski
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.