Granted Patent
Utility
US 6,817,411 · App. 10/219,360
System for displacement of water in coalbed gas reservoirs
Inventor:
Charles G. Mones
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Aug 14, 2002
Inventor
Charles G. Mones
Assignee (at issue)
The University of Wyoming Research Corporation
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.