4. Ships
  5. Towing or pushing
  6. Submerged object

Francis J. Higgins

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Galvanic detector for detecting the cutting of a command wire

Ships – Towing or pushing – Submerged object
Patent

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Multiple frequency synthetic aperture sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems
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Wide angular diversity synthetic aperture sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems
Patent

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Profile ID: LFUS-PAI-P-1487947

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