Granted Patent
Utility
US 6,432,149 · App. 08/795,878
Burner-feed multi-zone molten metal syngas generator
Inventor:
Charles Benjamin Miller
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Feb 6, 1997
Inventor
Charles Benjamin Miller
Assignee (at issue)
Marathon Ashland Petroleum LLC
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.