Granted Patent
Utility
US 6,638,324 · App. 10/084,838
Organic cetane improver
Inventor:
Frederick L. Jordan
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Feb 26, 2002
Inventor
Frederick L. Jordan
Assignee (at issue)
Oryxe Energy International, 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.