Granted Patent
Utility
US 6,689,925 · App. 10/147,361
Conversion of drilling waste to fuel
Inventor:
Souheil Malhis
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: May 13, 2002
Inventor
Souheil Malhis
Assignee (at issue)
Invifuel Ltd.
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.