Granted Patent
Utility
US 6,315,802 · App. 09/308,523
H2S production from a molten metal reactor
Inventor:
Donald P. Malone
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: May 18, 1999
Inventor
Donald P. Malone
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.