Granted Patent
Utility
US 6,324,478 · App. 09/557,239
Second-and higher-order traveltimes for seismic imaging
Inventors:
Alexander M. Popovici, James A. Sethian
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Apr 24, 2000
Inventors
Alexander M. Popovici
James A. Sethian
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.