Granted Patent
Utility
US 6,038,197 · App. 09/115,307
Efficient inversion of near singular geophysical signals
Inventors:
Gary A. Sitton, Zeljko Jericevic
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Jul 14, 1998
Inventors
Gary A. Sitton
Zeljko Jericevic
Assignee (at issue)
Western Atlas International, 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.