4. Cutting
  5. Processes

John A. Dorr

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Capacitance-type ultrasonic transducer

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

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Efficient low cost transducer system

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

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Oil and gas well kick detector

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Restaurant management information and control method and apparat

Boots – shoes – and leggings
Patent

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Side looking sonar transducer

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

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Profile ID: LFUS-PAI-P-250903

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