4. Measuring and testing
  5. Instrument proving or calibrating
  6. Gas or liquid analyzer

Feng-Yi Yang

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Apparatus and method for monitoring fluorine ions

Electrolysis: processes – compositions used therein – and methods – Electrolytic analysis or testing – For halogen or halogen containing compound
Reexamination Certificate

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Method and apparatus for calibrating a dissolved oxygen...

Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer
Reexamination Certificate

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Method and apparatus for dispensing fluid doses

Dispensing – Automatic control – Motor control
Reexamination Certificate

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Microelectronic fabrication die electrical probe apparatus...

Semiconductor device manufacturing: process – Repair or restoration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2117756

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