4. Communications, electrical: acoustic wave systems and devices
  5. Seismic prospecting
  6. Offshore prospecting

Elmo W. Christensen

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Broad band seismic vibrator

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Methods of reducing harmonic distortion in continuous wave seism

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent

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System for imparting compressional and shear waves into the eart

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Profile ID: LFUS-PAI-P-738992

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