Granted Patent
Utility
US 6,681,855 · App. 10/046,001
Method and system for management of by-products from subterranean zones
Inventors:
Joseph A. Zupanick, Monty H. Rial
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Oct 19, 2001
Inventors
Joseph A. Zupanick
Monty H. Rial
Assignee (at issue)
CDX Gas, 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.