4. Fire escape, ladder, or scaffold
  5. Unitary foldable, rigid scaffold or ladder
  6. Trestle

Robert M. Henson

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Foldable sawhorse

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent

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Lockable leveling structure

Supports – Staff type – Stand or base
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Solder composition

Alloys or metallic compositions – Tin base – Antimony – or bismuth containing
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Solder composition

Alloys or metallic compositions – Tin base – Copper containing
Patent

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Profile ID: LFUS-PAI-P-83715

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