Granted Patent
Utility
US 6,819,628 · App. 10/408,197
Wave migration by a krylov space expansion of the square root exponent operator, for use in seismic imaging
Inventor:
Hillel Tal-Ezer
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 7, 2003
Inventor
Hillel Tal-Ezer
Assignee (at issue)
Paradigm Geophysical (Luxembourg) S.A.R.L.
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.