Granted Patent
Utility
US 5,392,255 · App. 08/075,939
Wavelet transform method for downward continuation in seismic data migration
Inventors:
Ronan J. LeBras, George R. Mellman
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: Jun 14, 1993
Inventors
Ronan J. LeBras
George R. Mellman
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.