4. Fire escape, ladder, or scaffold
  5. Wall- or floor-attached
  6. Independent rung or step

Heinrich Zenhausern

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Anchor and climbing rung

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent

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Anchor step

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent

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Encapsulated anchor rung and process for making same

Fire escape – ladder – or scaffold – With insulation
Patent

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Process for making encapsulated anchor rung

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent

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Profile ID: LFUS-PAI-P-700684

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