4. Measuring and testing
  5. Instrument casing

William M. Duncan

Inventor

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Acid based micro-emulsions of surfactants and solvents

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

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Modular sensor device

Measuring and testing – Instrument casing
Patent

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Modular switch device

Measuring and testing – Instrument casing
Patent

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Profile ID: LFUS-PAI-P-879424

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