4. Etching a substrate: processes
  5. Forming or treating electrical conductor article
  6. Forming or treating of groove or through hole

William Chou

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Asymmetric porous polytetrafluoroethylene membrane and...

Liquid purification or separation – Filter – Material
Reexamination Certificate

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Asymmetric porous polytetrafluoroethylene membrane for a filter

Liquid purification or separation – Filter – Material
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Asymmetric porous polytetrafluoroethylene membrane for clothing

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is specified as water proof
Reexamination Certificate

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Multi-layer opto-electronic substrates with electrical and...

Optical waveguides – Integrated optical circuit
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Opto-electronic substrates with electrical and optical...

Optical waveguides – Integrated optical circuit
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Profile ID: LFUS-PAI-P-943629

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