Granted Patent
Utility
US 6,018,499 · App. 09/175,743
Three-dimensional seismic imaging of complex velocity structures
Inventors:
James A. Sethian, Alexander M. Popovici
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Oct 20, 1998
Inventors
James A. Sethian
Alexander M. Popovici
Assignee (at issue)
3DGeo Development, 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.