4. Static structures (e.g., buildings)
  5. Framing to receive door, doorjamb, or window sash

Robert McGowan Mann

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Fire resistant air transfer grille or damper

Ventilation – Fire damper
Reexamination Certificate

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Fire sealing strip

Building units and construction elements – Architectural stock material – Elongated
Design Patent

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Smoke seal

Building units and construction elements – Architectural stock material – Elongated
Design Patent

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Smoke seal

Building units and construction elements – Architectural stock material – Elongated
Design Patent

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Smoke seal

Building units and construction elements – Architectural stock material – Elongated
Design Patent

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Profile ID: LFUS-PAI-P-2141906

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