4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Air treatment

Joseph Hsieh

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Ceiling fan

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Combined ceiling fan and light

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Wet scrubbing apparatus and method for controlling NOx...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Reexamination Certificate

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Profile ID: LFUS-PAI-P-551780

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