4. Fire escape, ladder, or scaffold
  5. Pole or strand grasping-type climber
  6. Foot- or leg-attachable

Louis J. Cowin

Inventor

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Climbing device

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

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Climbing device for building frames

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable
Patent

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Climbing device for building frames

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable
Patent

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Profile ID: LFUS-PAI-P-174641

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