4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Element or attachment, not elsewhere specified

Donald P. Grant

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Fan blade

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent

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Impactable bottom curtain for a rolling steel door

Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Roll type
Reexamination Certificate

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Industrial ceiling fan

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Reexamination Certificate

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Release mechanism for industrial doors

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Reexamination Certificate

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Retractable safety barrier

Flexible or portable closure – partition – or panel – With hood – canopy – shield storage chamber – or outrigged... – For roll type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2345242

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