Granted Patent
Utility
US 6,454,000 · App. 09/696,338
Cavity well positioning system and method
Inventor:
Joseph A. Zupanick
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Oct 24, 2000
Inventor
Joseph A. Zupanick
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.