Granted Patent
Utility
US 6,822,455 · App. 10/237,439
Multiple transmitter and receiver well logging system and method to compensate for response symmetry and borehole rugosity effects
Inventor:
William D. Flanagan
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Sep 9, 2002
Inventor
William D. Flanagan
Assignee (at issue)
Ultima Labs, 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.