4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Underwater type

E. R. Harrison

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Air gun

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Compact sleeve air gun

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Seismic energy source air gun

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Self-centering dual shuttle air gun

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
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Profile ID: LFUS-PAI-P-1237882

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