Granted Patent
Utility
US 5,163,028 · App. 07/767,248
Method for correcting impulse response differences of hydrophones and geophones as well as geophone coupling to the water-bottom in dual-sensor, bottom-cable seismic operations
Inventors:
Frederick J. Barr, Joe I. Sanders
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Sep 27, 1991
Inventors
Frederick J. Barr
Joe I. Sanders
Assignee (at issue)
Halliburton Geophysical Services, 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.