4. Fire escape, ladder, or scaffold
  5. Convertible
  6. Ladder

Ronald P. Hickman

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Collapsible dual-height workbench

Work holders – Relatively movable jaws – With means to align coacting jaw faces
Patent

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Collapsible workbenches

Work holders – Relatively movable jaws – With means to align coacting jaw faces
Patent

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Exercise machine

Games – toys – and sports goods – Toy – Representation or scale model
Patent

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Ladder

Fire escape – ladder – or scaffold – Convertible – Ladder
Patent

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Ladder

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

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Profile ID: LFUS-PAI-P-351638

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