Granted Patent
Utility
US 6,679,100 · App. 10/264,068
Spark plug mounted thick film strain gauge
Inventors:
Ronald J. Kiess, Lewis Henry Little, Marion Edmond Ellis, Raymond O. Butler, Jr.
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Oct 3, 2002
Inventors
Ronald J. Kiess
Lewis Henry Little
Marion Edmond Ellis
Raymond O. Butler, Jr.
Assignee (at issue)
Delphi Technologies
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.