Granted Patent
Utility
US 6,482,691 · App. 09/494,974
Seismic imaging using omni-azimuth seismic energy sources and directional sensing
Inventors:
Zhiqiang Wu, Paul Hatab
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jan 31, 2000
Inventors
Zhiqiang Wu
Paul Hatab
Assignee (at issue)
Micron Technology, 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.