4. Ventilation
  5. Having outlet airway
  6. Having readliy movable air regulating louver, damper, or cover

Noll Manufacturing Co.

Corporate Assignee

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Air duct fitting mounting shoulder

Ventilation – Having inlet airway – Including specific air distributor
Patent

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Exhaust vent

Ventilation – Having outlet airway – Having readliy movable air regulating louver – damper – or cover
Patent

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Foundation vent

Ventilation – Having inlet airway – Sleeved vent for ceiling – wall – or floor
Patent

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Foundation vent

Static structures (e.g. – buildings) – Frangible section or means – Removable corner or internal section
Patent

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Spirally wound corrugated pipe connector

Pipe joints or couplings – Deformed – Outwardly expanded
Patent

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Profile ID: LFUS-PAI-P-507678

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