4. Chemistry: electrical and wave energy
  5. Processes and products

Robert M. Cullen

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Fan beam transducer assembly

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

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Magnesium electrolysis cell, lining therefor, and method

Chemistry: electrical and wave energy – Processes and products
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Marine sensor mounting mechanism

Measuring and testing – Navigation – Ship's log
Patent

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Multi-functional marine sensing instrument

Measuring and testing – Fluid flow direction – Relative to aircraft or watercraft
Reexamination Certificate

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Non-slumping sprayable refractory castables containing...

Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate

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Profile ID: LFUS-PAI-P-969539

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