Granted Patent
Utility
US 6,466,020 · App. 09/810,426
Electromagnetic borehole surveying method
Inventors:
Arthur F. Kuckes, Rahn Pitzer, Herbert J. Susmann
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Mar 19, 2001
Inventors
Arthur F. Kuckes
Rahn Pitzer
Herbert J. Susmann
Assignee (at issue)
Vector Magnetics, 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.