4. Illumination
  5. With implement or hand held holder therefor
  6. Hand tool

Wen-Ruey Chang

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Constant temperature refrigeration system for extensive...

Refrigeration – Automatic control – Refrigeration producer
Reexamination Certificate

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Constant temperature refrigeration system for extensive...

Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Reexamination Certificate

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Lighted magnetic retrieval tool

Illumination – With implement or hand held holder therefor – Hand tool
Reexamination Certificate

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Waferless clean process of a dry etcher

Etching a substrate: processes – Gas phase etching of substrate – Application of energy to the gaseous etchant or to the...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2130287

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