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

John F. Cooper

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Acoustic system for communication in pipelines

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through well fluids
Reexamination Certificate

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Acoustic system for communication in pipelines

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through well fluids
Reexamination Certificate

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Aerogel and xerogel composites for use as carbon anodes

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
Reexamination Certificate

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Aerogel and xerogel composites for use as carbon anodes

Chemistry: electrical current producing apparatus – product – and – Having earth feature
Reexamination Certificate

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Apparatus for baking letters and numerals

Static molds – Container-type molding device – Adjustable – forming different size or shaped product
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Profile ID: LFUS-PAI-P-411596

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