Granted Patent
Utility
US 5,067,113 · App. 07/606,378
Efficient generation of traveltime tables for two dimensional and three dimensional prestack depth migration
Inventors:
Douglas W. Hanson, Shein S. Wang, William S. Harlan
Patented Case
View Patent ↗
Granted: Nov 19, 1991
Filed: Oct 30, 1990
Inventors
Douglas W. Hanson
Shein S. Wang
William S. Harlan
Assignee (at issue)
Conoco 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.