Granted Patent
Utility
US 6,720,764 · App. 10/125,005
Magnetic sensor system useful for detecting tool joints in a downhole tubing string
Inventors:
Mahendran S. Relton, John S. Burrington, Jason P. MacInnis, Jonathan J. Falcon
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 16, 2002
Inventors
Mahendran S. Relton
John S. Burrington
Jason P. MacInnis
Jonathan J. Falcon
Assignee (at issue)
Thomas Energy Services 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.