4. Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
  5. Carpet fasteners
  6. Combined fasteners and stretchers

Robert Haugen

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Fume hood with air directing member

Ventilation – Workstation ventilator – Covered workbench chamber
Reexamination Certificate

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Fume hood with airflow control system

Ventilation – Workstation ventilator – Covered workbench chamber
Reexamination Certificate

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Hinge system

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Carpet fasteners – Combined fasteners and stretchers
Patent

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Monitoring air entry velocity into fume hood

Ventilation – Workstation ventilator – Covered workbench chamber
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1277602

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