Granted Patent
Utility
US 6,557,503 · App. 09/682,221
Method for lowering fuel consumption and nitrogen oxide emissions in two-stroke diesel engines
Inventor:
Gregory James Hampson
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Aug 8, 2001
Inventor
Gregory James Hampson
Assignee (at issue)
General Electric Company
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.