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

Samuel Fersht

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Acoustic sensing system for downhole seismic applications...

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

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Bi-stable micro-actuator and optical switch

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Bi-stable micro-actuator and optical switch

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2036988

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